191问答库 > 括号四分之十一减七分之四除以七分之五括号除以二分之三 怎样简便计算？

括号四分之十一减七分之四除以七分之五括号除以二分之三 怎样简便计算？

2025-03-16 00:17:29
推荐回答（3个）
回答1：

除以一个数等于乘这个数的倒数，所以最多简便到：
｛四分之十一减七分之四｝乘二分之三
接着
四分之十一乘二分之三减去七分之四乘二分之三
最后
等于答案自己算

回答2：

（11/4-4/7÷5/7）÷3/2
=（11/4-4/7*7/5）*2/3
=(11/4-4/5)*2/3
=(55/20-16/20)*2/3
=39/20*2/3
=13/10

回答3：

(1/4-4/7除以5/7)除以3/2
=(1/4-4/7*7/5)*2/3
=(1/4-4/5)*2/3
=1/4*2/3-4/5*2/3
=-11/30

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