简便算法:3×22.5%+2.25×7
来源:学生作业帮助网 编辑:六六作业网 时间:2024/12/24 07:40:45
简便算法:3×22.5%+2.25×7简便算法:3×22.5%+2.25×7简便算法:3×22.5%+2.25×73×22.5%+2.25×7=2.25*7.3=3(0.225+2.25)+4(2.2
简便算法:3×22.5%+2.25×7
简便算法:3×22.5%+2.25×7
简便算法:3×22.5%+2.25×7
3×22.5%+2.25×7=2.25*7.3
=3(0.225+2.25)+4(2.25)=3(0.675+2.25)+10,结果自己计算吧
这个简便算法也不简便多少。不会是题打错了吧
3×22.5%+2.25×7=2.25*7.3