用简便方法计算(1)13.2-3.7-6.3 (2)10.26-(3.78+4.26)(3

2024-10-29 14:28:41
推荐回答(5个)
回答1:

13.2-(3.7+6.3)
=13.2-10
=3.2
10.26-4.26-3.78
=6-3.78
=2.22
(100+1)*7.8
=100*7.8+7.8
=7800+7.8
=7807.8
请帮我完成采纳任务!

回答2:

=13.2—(3.7+6.3)
=13.2—10
=3.2

回答3:

回答4:

回答5: