11⼀13-3⼀8+2⼀13-1⼀8简便方法怎么算?

2025-03-25 22:43:42
推荐回答(3个)
回答1:

11/13-3/8+2/13-1/8
(11/13+2/13)-(3/8+1/8)
=1-1/2=0.5

回答2:

=(11/13+2/13)-(3/8+1/8)=1-1/2=1/2

回答3:

(11/13+2/13)-(3/8+1/8)
=1-4/8
=1-1/2
=1/2