(5/6+3/8)÷(5/6—3/8)

问题描述:

(5/6+3/8)÷(5/6—3/8)
8/13÷(5/26+8/13)
[2-(3/4+1/3)]÷2/3
简算哦,

(5/6+3/8)÷(5/6—3/8)
=9/24/11/24
=9/11
8/13÷(5/26+8/13)
=8/13*26/21
=16/21
[2-(3/4+1/3)]÷2/3
=[2-13/12]*3/2
=11/12*3/2
=11/8