5⼀28-[(4⼀9+1⼀8)×6⼀7]的混合运算怎么算?

2025-03-13 17:59:14
推荐回答(1个)
回答1:

5/28-[(4/9+1/8)×6/7]的混合运算怎么算?
5/28-((4/9+1/8)×6/7)
=5/28-(41/72×6/7)
=5/28-41/84
=-26/84