计算下面各题:(1/15+1/13)x5+8÷13 100-(1/24+1/36)x72

分类: 作业答案 • 2022-05-03 16:31:27

问题描述：

答

(1/15+1/13)x5+8÷13
=1/15x5+1/13x5+8/13
=1/3+5/13+8/13
=1又1/3
100-(1/24+1/36)x72
=100-(1/24x72+1/36x72)
=100-(3+2)
=100-5
=95