7×1.25+6.3×125%-1又1/4

来源:学生作业帮助网 编辑:六六作业网 时间:2024/11/16 01:52:37
7×1.25+6.3×125%-1又1/47×1.25+6.3×125%-1又1/47×1.25+6.3×125%-1又1/42.7×1.25+6.3×125%-1又1/4=1.25×﹙2.7+6.3

7×1.25+6.3×125%-1又1/4
7×1.25+6.3×125%-1又1/4

7×1.25+6.3×125%-1又1/4
2.7×1.25+6.3×125%-1又1/4
=1.25×﹙2.7+6.3-1﹚
=1.25×8
=10