(2又2⼀5+1又1⼀3*5)÷3又2⼀5-1又1⼀3

2024-12-26 23:52:35
推荐回答(1个)
回答1:

(2又2/5+1又1/3*5)÷3又2/5-1又1/3
=(12/5+4/3*5)÷17/5-4/3
=(36/15+100/15)*5/17-4/3
=136/15*5/17-4/3
=8/3-4/3
=1又1/3