
4.63÷7.2等于多少?
2个回答
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解:4.63÷7.2等于( 463/720 ),【即约等于0.64】
∵已知需求出4.63÷7.2等于多少
∴4.63 ÷ 7.2
= (4×100+63)/100 ÷ (7×10+2)/10
= 463/100 ÷ 72/10
= 463/100 ÷ 36/5
= 463/100 × 5/36
= 463/720
= 0.6430555556
答:4.63÷7.2等于463/720,【即约等于0.64】
∵已知需求出4.63÷7.2等于多少
∴4.63 ÷ 7.2
= (4×100+63)/100 ÷ (7×10+2)/10
= 463/100 ÷ 72/10
= 463/100 ÷ 36/5
= 463/100 × 5/36
= 463/720
= 0.6430555556
答:4.63÷7.2等于463/720,【即约等于0.64】
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