-1⼀3+3⼀4-1⼀6-1⼀2计算过程

2024-11-30 18:13:29
推荐回答(1个)
回答1:

-1/3+3/4-1/6-1/2
=3/4-(1/3+1/6+1/2)
=3/4-(1/2+1/2)
=3/4-1
=-1/4