(5.18-3.93)*0.64怎么算?
1个回答
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解:(5.18-3.93)*0.64等于( 4/5 ),【即等于0.8】
∵已知需求出(5.18-3.93)*0.64等于多少
∴(5.18 - 3.93) * 0.64
= [(5×100+18)/100 - (3×100+93)/100] × 64/100
= (518/100 - 393/100) × 16/25
= 125/100 × 16/25
= 5/4 × 16/25
= 4/5
= 0.8
答:(5.18-3.93)*0.64等于4/5,【即等于0.8】
∵已知需求出(5.18-3.93)*0.64等于多少
∴(5.18 - 3.93) * 0.64
= [(5×100+18)/100 - (3×100+93)/100] × 64/100
= (518/100 - 393/100) × 16/25
= 125/100 × 16/25
= 5/4 × 16/25
= 4/5
= 0.8
答:(5.18-3.93)*0.64等于4/5,【即等于0.8】
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