36×28+72×86 用乘法分配率简便计算是怎么做的?求高手

2024-11-22 12:07:12
推荐回答(5个)
回答1:


详细步骤写在纸上了

回答2:

36×28+72×86 =36×28+36×172
=36×(28+172)
=36×200
=7200

回答3:

=72x14+72x86
=72x(14+86)
=7200

回答4:

=72×(14+86)
=7200。

回答5:

36x28+72x86
=36x2x14+72x86
=72x14+72x86
=72x(14+86)
=72x100
=7200