11-7⼀10-3⼀10简便7⼀12-(3⼀4-1⼀2)简便1⼀2-(3⼀4-3⼀8)简便?

2024-11-02 14:32:07
推荐回答(1个)
回答1:

11-7/10-3/10
=11-(7/10+3/10)
=11-1
=10

7/12-(大并3/4-1/2)
=7/12-9/12+6/12
=4/12
=1/3
1/2-(3/4-3/8)
=1/2-3/4+3/滚迟迹8
=4/8-6/8+3/旦渣8
=1/8