-3.37512+4.37512-36*(1/18-1/12+1/3)

分类: 作业答案 • 2022-01-09 18:01:57

问题描述：

-3.375*12+4.375*12-36*(1/18-1/12+1/3)

答

-3.375*12+4.375*12-36*(1/18-1/12+1/3)
=12*(-3.375+4.375)-(1/18*36-1/12*36+1/3*36)
=12-(2-3+12)
=1.

-3.375*12+4.375*12-36*(1/18-1/12+1/3)