Question

2/3÷(4/5)+5/6×2/3等于多少分之多少？

Answer 1

原式=2/3*5/4+5/6*2/3
= 5/6+5/9
=15/18+10/18
=25/18

Answer 2

2/3÷(4/5)+5/6×2/3
=2/3×5/4+5/6×2/3
=2/3×(5/4+5/6)
=10/3×(1/4+1/6)
=10/3×（3/12+2/12)
=10/3×5/12
=25/18