6⼀13×4⼀5-1⼀13÷1.25等于多少

2025-06-23 13:03:51
推荐回答(1个)
回答1:

6/13×4/5-1/13÷1.25
=6/13×4/5-1/13×4/5
=(6/13-1/13)×4/5
=5/13×4/5
=4/13