括号4⼀5+1⼀4括号除以7⼀3+7⼀10用什么四则运算更合适?

2025-03-10 09:21:32
推荐回答(1个)
回答1:

(4/5+1/4)÷7/3+7/10
=21/20×3/7+7/10
=63/140+7/10
=161/140
望采纳,谢谢