2.4乘0.025加33.1乘7.6（简便运算)要过程.

分类: 作业答案 • 2022-02-21 19:20:43

问题描述：

答

=0.06+251.56
=251.62

答

（2+0.4）*0.025+33.1*7.6
=2*0.025+0.4*0.025+33.1*7.6
=0.05+0.01+251.56
=251.62