[5⼀6-(5⼀14-2⼀7)]⼀7⼀18的脱式计算

2025-02-25 15:58:50
推荐回答(1个)
回答1:

[5/6-(5/14-2/7)]÷7/18
=[5/6-1/14]÷7/18
=16/21÷7/18
=96/49