1/(1/18+1/24+1/30)=1/(20/360+15/360+6/360) =1/(41/360) =8.32对吗

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1/(1/18+1/24+1/30)=1/(20/360+15/360+6/360) =1/(41/360) =8.32对吗
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1/(1/18+1/24+1/30)=1/(20/360+15/360+6/360) =1/(41/360) =8.32对吗
1/(1/18+1/24+1/30)=1/(20/360+15/360+6/360) =1/(41/360) =8.32对吗

1/(1/18+1/24+1/30)=1/(20/360+15/360+6/360) =1/(41/360) =8.32对吗
不对哦
分数运算最后不写成余数的形式,而是利用假分数或者带分数
还有1/30通分错了
正确的为:
1/(1/18+1/24+1/30)=1/(20/360+15/360+12/360) =1/(47/360)
=360/47或 7又31/47

这步算错了
1/30=12/360
20+15+12=47
=1/(47/360)

对的哦 ~嘎嘎 赏金拿来吧~ ;

1/(1/18+1/24+1/30)=1/(20/360+15/360+6/360) =1/(41/360)=360/41
=8又32/41
不能写成
=8....32