75÷0.25+7.25×4简便方法

分类: 作业答案 • 2021-12-19 19:48:23

问题描述：

75÷0.25+7.25×4简便方法

答

75÷0.25+7.25×4
=75x4+7.25×4
=（75+7.25）x4
=82.25x4
=80x4+2x4+0.25x4
=320+8+1
=329