2.03×0.4+2.03×9.6运算方法?
2个回答
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解:2.03×0.4+2.03×9.6等于( 203/10 ),【即等于20.3】
∵已知需求出2.03×0.4+2.03×9.6等于多少
A × B + A × C = A × (B + C)
∴2.03 × 0.4 + 2.03 × 9.6
= 2.03 × (0.4 + 9.6)
= (2×100+3)/100 × 10
= 203/100 × 10
= 203/10
= 20.3
答:2.03×0.4+2.03×9.6等于203/10,【即等于20.3】
∵已知需求出2.03×0.4+2.03×9.6等于多少
A × B + A × C = A × (B + C)
∴2.03 × 0.4 + 2.03 × 9.6
= 2.03 × (0.4 + 9.6)
= (2×100+3)/100 × 10
= 203/100 × 10
= 203/10
= 20.3
答:2.03×0.4+2.03×9.6等于203/10,【即等于20.3】
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