括号4⼀5加1⼀4括号除以7⼀3加十分之几有简便运算吗?

2025-03-19 19:55:50
推荐回答(1个)
回答1:

(4/5+1/4)除以7/3+十分之几
=(16+5)/4x3/7+十分之几
=21/4x3/7+十分之几
=9/4+十分之几
=2.25+0.几