360*72+36*280怎么简便

来源:学生作业帮助网 编辑:六六作业网 时间:2024/07/04 22:50:53
360*72+36*280怎么简便360*72+36*280怎么简便360*72+36*280怎么简便=360×72+360×28=360×(72+28)=360×100=36000360*72+36

360*72+36*280怎么简便
360*72+36*280怎么简便

360*72+36*280怎么简便
=360×72+360×28
=360×(72+28)
=360×100
=36000

360*72+36*280
=36*720+36*280
=36*(720+280)
=36*1000
=36000

原试=36*720+36*280
=36*(720+280)
=36*1000=36000

原式=36×10×72+36×280
=36×(10×72)+36×280
=36×720+36×280
=36×(720+280)
=360000