8+4-9⼀5-7 等于多少?

2024-11-22 13:19:08
推荐回答(4个)
回答1:

你好!
8+4-9/5-7
=8+4-1.8-7
=12-1.8-7
=10.2-7
=3.2
祝你学习进步,望采纳,谢谢!!!!1O(∩_∩)O~

回答2:

8+4-9/5-7
=8+4-7-1.8
=8+4-7-1-0.8
=4-0.8
=3.2

回答3:

8+4-9/5-7
=12-1.8-7
=3.2

回答4:

8+4-9/5-7=5-9/5=4-4/5=3.2