5⼀16+(5⼀8-7⼀16)简便计算?

2025-03-26 14:06:00
推荐回答(2个)
回答1:

5/16+(5/8-7/16)
=5/16-7/16+5/8
=-1/8+5/8
=1/2

回答2:

5/16+5/8-7/16


=5/8-(7/16-5/16)


=5/8-1/8


=1/2