Question

能简便就简便计算！

Answer 1

= 3/纤码5×5/8 + 5/8 - 3/卜明13×5/4
= 3/8+5/型竖告8-15/52
= 1 - 15/52
= 37/52

追问

是这个

追答

是啊！
原题= 3/5×5/8 + 5/8 - 3/13×5/4
= 3/8+5/8-15/52
= 1 - 15/52
= 37/52

追问

是约分了吗？😂😂😂

是6/13

追答

6和8约分了