32×9.1+3.2简便运算?
2个回答
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32×9.1+3.2
=32×9.1+32×0.1
=32×(9.1+0.1)
=32×9.2
=32×(9+0.2)
=32×9+32×0.2
=288+6.4
=294.4
=32×9.1+32×0.1
=32×(9.1+0.1)
=32×9.2
=32×(9+0.2)
=32×9+32×0.2
=288+6.4
=294.4
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2022-04-05
展开全部
= 32 * 9.1+32*0.1
= 32 *(9.1+0.1)
= 32 *9.2
= 32 *(9+0.2)
= 32 * 9 + 32 × 0.2
= 288 + 6.4
= 294.4
= 32 *(9.1+0.1)
= 32 *9.2
= 32 *(9+0.2)
= 32 * 9 + 32 × 0.2
= 288 + 6.4
= 294.4
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