| 3-9-3 |
| 【答え】小数の筆算 |
| （問題更新日：2024/05/17） |
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(1)
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64 + 6.4 = 70.4
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(2)
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9 + 1.9 = 10.9
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(3)
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38.9 + 28 = 66.9
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(4)
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6.3 + 73 = 79.3
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(5)
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0.8 + 12.2 = 13
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(6)
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1.6 + 0.4 = 2
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(7)
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4.5 + 65.5 = 70
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(8)
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15.2 - 7 = 8.2
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(9)
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7 - 6.6 = 0.4
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(10)
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52 - 0.8 = 51.2
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(11)
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33.1 - 25.6 = 7.5
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(12)
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17 - 6.6 = 10.4
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(13)
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29.3 - 9.7 = 19.6
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(14)
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37 - 9.9 = 27.1
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(15)
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92.4 - 83.5 = 8.9
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