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62.5×0.16怎么验算?
2个回答
展开全部
解:62.5×0.16等于( 10 )
∵已知需求出62.5×0.16等于多少
X × Y = Z,即X = Z ÷ Y
∴62.5 × 0.16
= (62×10+5)/10 × 16/100
= 625/10 × 4/25
= 125/2 × 4/25
= 10
经检验,62.5 = 10 ÷ 0.16符合题意
答:62.5×0.16等于10
∵已知需求出62.5×0.16等于多少
X × Y = Z,即X = Z ÷ Y
∴62.5 × 0.16
= (62×10+5)/10 × 16/100
= 625/10 × 4/25
= 125/2 × 4/25
= 10
经检验,62.5 = 10 ÷ 0.16符合题意
答:62.5×0.16等于10
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