5-4⼀7-2又3⼀7等于多少?

2024-11-24 19:39:44
推荐回答(2个)
回答1:

5-4/7-2又3/7
=5-(4/7+2又3/7)
=5-3
=2

回答2:

解:5-4/7-2又3/7
=5-4/7-2-3/7
=3-1
=2