1又2⼀3-1又2⼀5+4⼀3-(-0.6)-(-3又3⼀5)

2024-11-25 16:05:20
推荐回答(1个)
回答1:

1又2/3-1又2/5+4/3-(-0.6)-(-3又3/5)
=5/3-7/5+4/3+3/5+18/5
=5/3+4/3+3/5+18/5-7/5
=3+14/5
=29/5