5-7⼀15-8⼀15脱式计算等于多少?

5-7/15-8/15脱式计算等于多少?
2024-11-28 16:53:47
推荐回答(3个)
回答1:

5一7/15一8/15
=5一(7/15十8/15)
=5一1
=4

回答2:

5-7/15-8/15
=5-(7/15+8/15)
=5-1
=4

回答3:

7/5一7/15一8/15
=7/5一(7/15+8/15)
=7/5一1
=6/15