8/13x5/8 3/15÷8/5脱式计算等于多少?

Question

如题所述

Answer 1

8/13×5/8+3/15÷8/5脱式计算

8/13×5/8+3/15÷8/5
=8/13×5/8+3/15×5/8
=（8/13+5/13）×5/8
=1×5/8
=5/8

Answer 2

8/13*5/8等于5/13
3/15/8/5=1/8