3.7*0.25+6.3/4,用简便算法计算

分类: 作业答案 • 2021-12-19 17:37:53

问题描述：

答

3.7*0.25+6.3/4
=3.7*1/4+6.3*1/4
=(3.7+6.3)*1/4
=2.5

答

3.7*0.25+6.3/4
=3.7x0.25+6.3x0.25
=(3.7+6.3)x0.25
=10x0.25
=2.5