简便计算72*99

来源：学生作业帮助网编辑：六六作业网时间：2024/05/10 13:01:20

简便计算72*99简便计算72*99简便计算72*9972*99=72×（100-1）=72×100-1×72=7200-72=712872x99=72x100-72=7200-72=712872x9

简便计算72*99
简便计算72*99

简便计算72*99
72*99
=72×（100-1）
=72×100-1×72
=7200-72
=7128

72x99
=72x100-72
=7200-72
=7128

72x99
=7200-72
=7128