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<b>Mơn: Tốn – Lớp 1</b>
<i><b>Tuần 20</b></i>
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<b>Bài 1</b> : Đặt tính rồi tÝnh :
<b> 14 - 3 </b>
<b> 17 - 5 </b>
<b> 19 - 2 </b>
<b> 16 - 5 </b>
<b> 17 - 2 </b>
<b> 19 - 7 </b>
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<b>Bµi 2</b> : TÝnh nhÈm :
<b> 14 - 1 =</b>
<b> 15 - 4 =</b>
<b> 17 - 2 =</b>
<b> 15 - 3 =</b>
<b> 15 - 1 =</b>
<b> 19 - 8 =</b>
<b> 16 - 2 =</b>
<b> 15 - 2 =</b>
<b>13</b>
<b>14</b>
<b>11</b>
<b>11</b>
<b>15</b>
<b>14</b>
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<b>12 + 3 - 1 =</b> <b> 17 - 5 + 2 =</b> <b> 15 - 3 - 1 =</b>
<b>15 + 2 - 1 = </b> <b> 16 - 2 + 1 =</b> <b> 19 - 2 - 5 =</b>
<b>Bµi 3</b> : TÝnh :
<b>14</b>
<b>16</b>
<b>14</b>
<b>15</b>
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<b>Bµi 4</b> : Nèi (theo mÉu) :
<b>14 - 1</b>
<b>15 - 1</b>
<b>17 - 2</b>
<b>19 - 3</b>
<b>17 - 5</b>
<b>18 - 1</b>
<b>16</b>
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