10⼀7+7⼀8-3⼀7+1⼀8简便算法的过程是?

2024-12-26 10:00:13
推荐回答(3个)
回答1:

解:10/7+7/8-3/7+1/8等于( 2 )
∵已知需求出10/7+7/8-3/7+1/8等于多少
X + Y - Z = X - Z + Y
∴10/7 + 7/8 - 3/7 + 1/8
= (10/7 - 3/7)+(7/8 + 1/8)
= 7/7 + 8/8
= 1 + 1
= 2
答:10/7+7/8-3/7+1/8等于2

回答2:

原式=10/7-3/7+7/8+1/8
=1+1
=2

回答3:

=10/7-3/7+7/8+1/8=7/7+8/8=1+1=2