Question

1/5 + 1/3 + 1/2等于多少？

Answer 1

1/5 + 1/3 + 1/2等于
=6/30+10/30+15/30
=(6+10+15)/30
=31/30
=1又1/30

Answer 2

1/5+1/3+1/2等于31/30。