43.2*22.8+86.4*38.6怎么算

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/17 13:01:52
43.2*22.8+86.4*38.6怎么算

43.2*22.8+86.4*38.6怎么算
43.2*22.8+86.4*38.6怎么算

43.2*22.8+86.4*38.6怎么算
43.2*22.8+86.4*38.6
=43.2*22.8+43.2*2*38.6
=43.2*22.8+43.2*77.2
=43.2*(22.8+77.2)
=43.2*100
=4320