1260/28+63*52怎么算,有简便运算吗

问题描述:

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