(-3又1⼀4)+(+3又2⼀3)+(+2又1⼀4)+(-1又2⼀3)请求过程

2025-05-13 21:02:13
推荐回答(1个)
回答1:

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