77×18+18×22+18简便计算怎么算?

2024-12-02 16:59:32
推荐回答(3个)
回答1:

乘法分配律,提取18:
=18×(77+22+1)
=18×100
=1800

回答2:

=18*(77+22+1)
=18*100
=1800

回答3:

=18×(77+22+1)
=18×100
=1800