19乘以99加19用乘法分配律怎么写

问题描述:

19乘以99加19用乘法分配律怎么写

19乘以99加19
=19x(99+1)
=19x100
=1900

19乘以99加19
=19x(99+1)
=19x100
=1900

不懂可追问,有帮助请采纳,谢谢!

19x99+19
=19x99+19x1
=19x(99+1)
=19x100
=1900