1260/28+63*52怎么算,有简便运算吗

来源:学生作业学帮网 编辑:学帮网 时间:2024/07/06 17:49:04

1260/28+63*52怎么算,有简便运算吗

45+63*52
=9*5+9*7*52
=9(5+7*52)
=9(5+436)
=9*441
=(10-1)*441
=4410-441
=3969

约分
45+63*52
=9*5+9*7*52
=9(5+7*52)
=9(5+436)
=9*441
=3969

45+63*52
=9*5+9*7*52
=9(5+7*52)
=9(5+436)
=9*441
=(10-1)*441
=4410-441
=3969