Question

(6+1÷十分之三)÷[七分之八×(二分之三+六分之五)]怎么简便计算?

Answer 1

=(6+3分之10)÷(7分之8×3分之7)
=3分之28÷3分之8
=3又2分之1

追问

简便计算！

追答

不能

Answer 2

(6+1÷3/10)÷{8/7×(3/2+5/6)}
=(6+10/3)×7/8×6/14
=28/3×3/8
=7/2

Answer 3

(6+1÷10/3)÷{8/7×(3/2+5/6)}
=(6+3/10)÷{8/7×(9/6+5/6)}
=(6+3/10)÷{8/7×14/6}
=(6+3/10)÷8/3
=6×3/8+3/10×3/8
=9/4+5/4
=7/2

追问

简便计算吗？第一个是10分之3，3/10

追答

(6+1÷3/10)÷{8/7×(3/2+5/6)}
=(6+10/3)÷{8/7×(9/6+5/6)}
=(6+10/3)÷{8/7×14/6}
=(6+10/3)÷8/3
=6×3/8+10/3×3/8
=9/4+5/4
=7/2