1、(0.43-0.043)*82

问题描述:

1、(0.43-0.043)*82
2、8.8/2.5

(0.43-0.043)*82
=(0.043*10-0.043)*82
=0.043*9*82
=31.734

8.8/2.5
=(8.8*4)/(2.5*4)
=35.2/10
=3.52