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		<h1>Bài ôn tập tại nhà  toán Lớp 4</h1>
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			<li>Thứ ba - 25/02/2020 11:20</li>
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			<span style="font-size:11pt"><span style="line-height:115%"><span style="font-family:Calibri,sans-serif"><b><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">ÔN TẬP TOÁN 4</span></span></b></span></span></span><br  />
<span style="font-size:12pt"><span style="background:white"><span style="font-family:&#039;Times New Roman&#039;,serif"><strong><span style="border:none windowtext 1.0pt; font-size:14.0pt; padding:0in">Phần I:</span></strong><span style="font-size:14.0pt">&nbsp;<b>Em hãy khoanh tròn vào chữ cái đặt trước kết quả đúng</b>.</span></span></span></span><br  />
<span style="font-size:12pt"><span style="background:white"><span style="font-family:&#039;Times New Roman&#039;,serif"><b><span style="font-size:14.0pt">1/ Giá trị của chữ số 5 trong số: 571638 là</span></b><span style="font-size:14.0pt">:</span></span></span></span><br  />
<span style="font-size:12pt"><span style="background:white"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-size:14.0pt">a. 500 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;b. 50000 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;c. 500000 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;d. 5000000</span></span></span></span><br  />
<span style="font-size:12pt"><span style="background:white"><span style="font-family:&#039;Times New Roman&#039;,serif"><b><span style="font-size:14.0pt">2/ Số lớn nhất trong các số 725369; 725396; 725936; 725693</span></b></span></span></span><br  />
<span style="font-size:12pt"><span style="background:white"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-size:14.0pt">a. 725936. &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;b. 725396 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;c. 725369 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;d. 725693</span></span></span></span><br  />
<span style="font-size:12pt"><span style="background:white"><span style="font-family:&#039;Times New Roman&#039;,serif"><b><span style="font-size:14.0pt">3/ 3 tạ 60 kg = …… kg. Số thích hợp cần điền vào chổ chấm là :</span></b></span></span></span><br  />
<span style="font-size:12pt"><span style="background:white"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-size:14.0pt">a. 306 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;b. 603 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;c. 360 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;d. 3600</span></span></span></span><br  />
<span style="font-size:12pt"><span style="background:white"><span style="font-family:&#039;Times New Roman&#039;,serif"><b><span style="font-size:14.0pt">4/ 2 giờ 30 phút = …… phút. Số thích hợp cần điền vào chổ chấm là :</span></b></span></span></span><br  />
<span style="font-size:12pt"><span style="background:white"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-size:14.0pt">a. 60 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;b. 120 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;c. 90 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;d. 150</span></span></span></span><br  />
<span style="font-size:12pt"><span style="background:white"><span style="font-family:&#039;Times New Roman&#039;,serif"><b><span style="font-size:14.0pt">5/ Trung bình cộng của các số 10 ; 30 ; 50; 70 là :</span></b></span></span></span><br  />
<span style="font-size:12pt"><span style="background:white"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-size:14.0pt">a. 40 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;b. 30 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;c. 20 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;d. 10</span></span></span></span><br  />
<span style="font-size:12pt"><span style="background:white"><span style="font-family:&#039;Times New Roman&#039;,serif"><b><span style="font-size:14.0pt">6/. 6 kg 5g = ........................g. Số điền vào chỗ chấm là:</span></b></span></span></span><br  />
<span style="font-size:12pt"><span style="background:white"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-size:14.0pt">a, 6005 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;b, 605 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;c. 65</span></span></span></span><br  />
<span style="font-size:12pt"><span style="background:white"><span style="font-family:&#039;Times New Roman&#039;,serif"><b><span style="font-size:14.0pt">7/ 1 phút 5 giây = ............................giây. Số điền vào chỗ chấm là:</span></b></span></span></span><br  />
<span style="font-size:12pt"><span style="background:white"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-size:14.0pt">a, 650 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;b, 65 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;c, 56</span></span></span></span><br  />
<span style="font-size:12pt"><span style="background:white"><span style="font-family:&#039;Times New Roman&#039;,serif"><b><span style="font-size:14.0pt">8/. Một mảnh vườn hình vuông có cạnh 8 m. Diện tích hình vuông là:</span></b></span></span></span><br  />
<span style="font-size:12pt"><span style="background:white"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-size:14.0pt">a, 32m<sup><span style="border:none windowtext 1.0pt; padding:0in">2</span></sup>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;b, 64m<sup><span style="border:none windowtext 1.0pt; padding:0in">2</span></sup>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;c, 16m<sup><span style="border:none windowtext 1.0pt; padding:0in">2</span></sup></span></span></span></span><br  />
<span style="font-size:12pt"><span style="background:white"><span style="font-family:&#039;Times New Roman&#039;,serif"><b><span style="font-size:14.0pt">9/Trung bình cộng của 3 số: 45, 55, 65 là:</span></b></span></span></span><br  />
<span style="font-size:12pt"><span style="background:white"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-size:14.0pt">a, 45 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;b, 55 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;c, 50</span></span></span></span><br  />
<span style="font-size:12pt"><span style="background:white"><span style="font-family:&#039;Times New Roman&#039;,serif"><b><span style="font-size:14.0pt">10/. Chữ số 3 nào trong các số sau có giá trị là 300 000 </span></b></span></span></span><br  />
<span style="font-size:12pt"><span style="background:white"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-size:14.0pt">A. 30 204 784&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; B. 12 375 127&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; C. 1 203 190&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; D. 4 230 102</span></span></span></span><br  />
<span style="font-size:12pt"><span style="background:white"><span style="font-family:&#039;Times New Roman&#039;,serif"><b><span style="font-size:14.0pt">11/. Số Ba triệu bảy trăm hai mươi bốn nghìn hai trăm ba mươi sáu viết là:</span></b></span></span></span><br  />
<span style="font-size:12pt"><span style="background:white"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-size:14.0pt">A. 3 720 326&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; B. 3 724 236&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; C. 37 242 306&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; D. 3 724 306</span></span></span></span><br  />
<span style="font-size:12pt"><span style="background:white"><span style="font-family:&#039;Times New Roman&#039;,serif"><b><span style="font-size:14.0pt">12. Với a = 10 thì giá trị của biểu thức 215 - 5 x a có giá trị là</span></b></span></span></span><br  />
<span style="font-size:12pt"><span style="background:white"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-size:14.0pt">A. 2100&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; B. 165&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; C. 225&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; D. 265</span></span></span></span><br  />
<span style="font-size:12pt"><span style="background:white"><span style="font-family:&#039;Times New Roman&#039;,serif"><b><span style="font-size:14.0pt">13/. Trung bình cộng của 123 ; 105 và 168 là:</span></b></span></span></span><br  />
<span style="font-size:12pt"><span style="background:white"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-size:14.0pt">A. 396&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; B. 792&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; C. 198&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; D. 132</span></span></span></span><br  />
<span style="font-size:12pt"><span style="background:white"><span style="font-family:&#039;Times New Roman&#039;,serif"><strong><span style="border:none windowtext 1.0pt; font-size:14.0pt; padding:0in">14:</span></strong><b><span style="font-size:14.0pt">&nbsp;Giá trị của chữ số 9 trong số 924 335 là bao nhiêu ?</span></b></span></span></span><br  />
<span style="font-size:12pt"><span style="background:white"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-size:14.0pt">A. 9&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B. 900&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C. 90 000&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D. 900 000</span></span></span></span><br  />
<span style="font-size:12pt"><span style="background:white"><span style="font-family:&#039;Times New Roman&#039;,serif"><strong><span style="border:none windowtext 1.0pt; font-size:14.0pt; padding:0in">15</span></strong><strong><span style="border:none windowtext 1.0pt; font-size:14.0pt; padding:0in"><span style="font-weight:normal">:</span></span></strong><b><span style="font-size:14.0pt">&nbsp;Số gồm “6 trăm nghìn, 2 nghìn, 5 trăm, 7 đơn vị” được viết là:</span></b></span></span></span><br  />
<span style="font-size:12pt"><span style="background:white"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-size:14.0pt">A. 602 507&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B. 600 257&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C. 602 057&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D. 620 507</span></span></span></span><br  />
<span style="font-size:12pt"><span style="background:white"><span style="font-family:&#039;Times New Roman&#039;,serif"><strong><span style="border:none windowtext 1.0pt; font-size:14.0pt; padding:0in">16</span></strong><strong><span style="border:none windowtext 1.0pt; font-size:14.0pt; padding:0in"><span style="font-weight:normal">:</span></span></strong><b><span style="font-size:14.0pt">&nbsp;Năm 2017 thuộc thế kỉ thứ mấy</span></b><span style="font-size:14.0pt"> ?</span></span></span></span><br  />
<span style="font-size:12pt"><span style="background:white"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-size:14.0pt">A. thế kỉ XVIII&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B. thế kỉ XIX&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C. thế kỉ XX&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D. thế kỉ XXI</span></span></span></span><br  />
<span style="font-size:12pt"><span style="background:white"><span style="font-family:&#039;Times New Roman&#039;,serif"><strong><span style="border:none windowtext 1.0pt; font-size:14.0pt; padding:0in">17</span></strong><strong><span style="border:none windowtext 1.0pt; font-size:14.0pt; padding:0in"><span style="font-weight:normal">:</span></span></strong><b><span style="font-size:14.0pt">&nbsp;Giá trị chữ số &nbsp;8 trong số 4 8967 là:</span></b></span></span></span><br  />
<span style="font-size:12pt"><span style="background:white"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-size:14.0pt">A. 8&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B. 80&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C. 800&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D. 8000</span></span></span></span><br  />
<span style="font-size:12pt"><span style="background:white"><span style="font-family:&#039;Times New Roman&#039;,serif"><strong><span style="border:none windowtext 1.0pt; font-size:14.0pt; padding:0in">18</span></strong><strong><span style="border:none windowtext 1.0pt; font-size:14.0pt; padding:0in"><span style="font-weight:normal">:</span></span></strong><b><span style="font-size:14.0pt">&nbsp;Số lớn nhất trong các số: 684 257; 684 275; 684 750; 684 725</span></b></span></span></span><br  />
<span style="font-size:12pt"><span style="background:white"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-size:14.0pt">A. 684 257&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B. 684 750&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C. 684 275&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D. 684 725</span></span></span></span><br  />
<span style="font-size:12pt"><span style="background:white"><span style="font-family:&#039;Times New Roman&#039;,serif"><strong><span style="border:none windowtext 1.0pt; font-size:14.0pt; padding:0in">19</span></strong><strong><span style="border:none windowtext 1.0pt; font-size:14.0pt; padding:0in"><span style="font-weight:normal">:</span></span></strong><b><span style="font-size:14.0pt">&nbsp;Điền số thích hợp vào chỗ trống:</span></b></span></span></span><br  />
<span style="font-size:12pt"><span style="background:white"><span style="font-family:&#039;Times New Roman&#039;,serif"><strong><span style="border:none windowtext 1.0pt; font-size:14.0pt; padding:0in">5 tấn 83 kg = ...................... kg là:</span></strong></span></span></span><br  />
<span style="font-size:12pt"><span style="background:white"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-size:14.0pt">A. 583&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B. 5830&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C. 5083&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D. 5038</span></span></span></span><br  />
<span style="font-size:12pt"><span style="background:white"><span style="font-family:&#039;Times New Roman&#039;,serif"><strong><span style="border:none windowtext 1.0pt; font-size:14.0pt; padding:0in">20.</span></strong><span style="font-size:14.0pt"> &nbsp;<strong><span style="border:none windowtext 1.0pt; padding:0in">2 phút 10 giây = ................... giây là:</span></strong></span></span></span></span><br  />
<span style="font-size:12pt"><span style="background:white"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-size:14.0pt">A. 30&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B. 70&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C. 210&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D. 130</span></span></span></span><br  />
<span style="font-size:12pt"><span style="background:white"><span style="font-family:&#039;Times New Roman&#039;,serif"><strong><span style="border:none windowtext 1.0pt; font-size:14.0pt; padding:0in">21.</span></strong><strong> </strong><b><span style="font-size:14.0pt">Với a = 15 thì biểu thức: 256 – 3 x a có giá trị là:</span></b></span></span></span><br  />
<span style="font-size:12pt"><span style="background:white"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-size:14.0pt">A. 211&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B. 221&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C. 231&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D. 241</span></span></span></span><br  />
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<span style="font-size:12pt"><span style="background:white"><span style="font-family:&#039;Times New Roman&#039;,serif"><b><span style="font-size:14.0pt">PHẦN II : TỰ LUẬN</span></b></span></span></span><br  />
<span style="font-size:12pt"><span style="background:white"><span style="font-family:&#039;Times New Roman&#039;,serif"><strong><span style="border:none windowtext 1.0pt; font-size:14.0pt; padding:0in">Bài 1</span></strong><b><span style="font-size:14.0pt">&nbsp;Đặt tính rồi tính:</span></b></span></span></span><br  />
<span style="font-size:12pt"><span style="background:white"><span style="font-family:&#039;Times New Roman&#039;,serif"><b><span style="font-size:14.0pt">a)</span></b><span style="font-size:14.0pt"> 241 367 – 157 285&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span></span><br  />
<span style="font-size:12pt"><span style="background:white"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-size:14.0pt">&nbsp;<b>b</b>. 347 167 + 56 304&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span></span><br  />
<span style="font-size:12pt"><span style="background:white"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-size:14.0pt">&nbsp;<b>c</b>. 24 708 x 6&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span></span></span></span><br  />
<span style="font-size:12pt"><span style="background:white"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-size:14.0pt">&nbsp;<b>d.</b> 1602 : 6</span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:white"><span style="line-height:normal"><span style="font-family:Calibri,sans-serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">e) 456 x 203</span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="background:white"><span style="line-height:normal"><span style="font-family:Calibri,sans-serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">g) 89658 : 293</span></span></span></span></span></span><br  />
<span style="font-size:12pt"><span style="background:white"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif"><strong><span style="border:none windowtext 1.0pt; font-size:14.0pt; padding:0in"><span style="line-height:150%">Bài 2</span></span></strong><span style="font-size:14.0pt"><span style="line-height:150%">: Điền dấu (&lt;; &gt;; =) thích hợp vào chỗ chấm.</span></span></span></span></span></span><br  />
<span style="font-size:12pt"><span style="background:white"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-size:14.0pt"><span style="line-height:150%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 3 tấn 5 kg ... 305 kg&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 3 giờ ...... 315 phút</span></span></span></span></span></span><br  />
<span style="font-size:12pt"><span style="background:white"><span style="font-family:&#039;Times New Roman&#039;,serif"><strong><span style="border:none windowtext 1.0pt; font-size:14.0pt; padding:0in">Bài 3:</span></strong><span style="font-size:14.0pt">&nbsp;Tính giá trị của biểu thức 326 - (57 x y) với y = 3</span></span></span></span><br  />
<span style="font-size:12pt"><span style="background:white"><span style="font-family:&#039;Times New Roman&#039;,serif"><strong><span style="border:none windowtext 1.0pt; font-size:14.0pt; padding:0in">Bài 4.</span></strong><span style="font-size:14.0pt">&nbsp;Viết số thích hợp vào chỗ chấm:</span></span></span></span><br  />
<span style="font-size:12pt"><span style="background:white"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-size:14.0pt"><span style="line-height:150%">a) 4 yến = ………..kg &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1 tạ 5kg =………..kg</span></span></span></span></span></span><br  />
<span style="font-size:12pt"><span style="background:white"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-size:14.0pt"><span style="line-height:150%">b) 8 tạ =…………kg &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2 tấn 65kg =………..kg</span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="line-height:115%"><span style="font-family:Calibri,sans-serif"><b><span style="font-size:14.0pt"><span style="line-height:115%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Bài 5.</span></span></span></b><span style="font-size:14.0pt"><span style="line-height:115%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">&nbsp;Tìm x:</span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="line-height:115%"><span style="font-family:Calibri,sans-serif"><span style="font-size:14.0pt"><span style="line-height:115%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">a) <i>x</i> x&nbsp; 5 = 62855&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; b) 76954 – <i>x</i> = 28161&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="line-height:115%"><span style="font-family:Calibri,sans-serif"><span style="font-size:14.0pt"><span style="line-height:115%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">c) <i>x </i>+ 493618 = 671809&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; d) <i>x</i> – 26123 = 54096</span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="line-height:115%"><span style="font-family:Calibri,sans-serif"><span style="font-size:14.0pt"><span style="line-height:115%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">e) <i>x </i>: 7 = 67180&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;d) 7804<i> :</i> <i>x</i>&nbsp; =&nbsp; 2</span></span></span></span></span></span><br  />
<span style="font-size:12pt"><span style="background:white"><span style="font-family:&#039;Times New Roman&#039;,serif"><strong><span style="border:none windowtext 1.0pt; font-size:14.0pt; padding:0in">Bài&nbsp; 6:</span></strong><span style="font-size:14.0pt">&nbsp;Một cửa hàng có 3 bao gạo nếp, mỗi bao cân nặng 36kg và 6 bao gạo tẻ, mỗi bao cân nặng 54kg. Hỏi&nbsp;&nbsp; trung bình mỗi bao gạo cân nặng bao nhiêu ki-lô-gam ?</span></span></span></span><br  />
<span style="font-size:11pt"><span style="line-height:normal"><span style="font-family:Calibri,sans-serif"><strong><span style="border:none windowtext 1.0pt; font-size:14.0pt; padding:0in"><span style="background:white">Bài 7:</span></span></strong><span style="font-size:14.0pt"><span style="background:white"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">&nbsp;Gia đình bác Hà năm đầu thu hoạch được 60 tạ thóc. Năm thứ hai bác Hà thu hoạch bằng 1/2 năm đầu, năm thứ ba thu hoạch gấp đôi năm đầu. Hỏi trung bình mỗi năm bác hà thu hoạch bao nhiêu tạ..</span></span></span></span></span></span><br  />
<span style="font-size:12pt"><span style="background:white"><span style="font-family:&#039;Times New Roman&#039;,serif"><strong><span style="border:none windowtext 1.0pt; font-size:14.0pt; padding:0in">Bài 8:</span></strong><span style="font-size:14.0pt">&nbsp;Một hình chữ nhật có chu vi là 28m. Nếu chiều dài bớt đi 8m thì sẽ được chiều rộng. Hỏi diện tích của hình chữ nhật đó là bao nhiêu?</span></span></span></span><br  />
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