递等式计算 0.75×18÷0.15 2.07÷0.23÷0.45 21.36÷0.8

分类: 作业答案 • 2021-11-12 23:46:58

问题描述：

递等式计算 0.75×18÷0.15 2.07÷0.23÷0.45 21.36÷0.8
递等式计算
0.75×18÷0.15
2.07÷0.23÷0.45
21.36÷0.8-12.9
7.28+3.2÷2.5

答

0.75×18÷0.15
= 0.75÷0.15×18
=3×18
= 542.07÷0.23÷0.45
=9÷0.45
=2021.36÷0.8-12.9
=26.7-12.9
=13.87.28+3.2÷2.5
=7.28+1.28
=8.56