75÷0.25+7.25×4简便方法_数学解答

75÷0.25+7.25×4简便方法

人气：216 ℃　时间：2020-03-29 23:02:37

解答

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