五乘以括号里面的40-4用乘法分配律怎么做?

2025-04-05 17:35:52
推荐回答(2个)
回答1:

用乘法分配律
5x(40-4)
=5x40-5x4
=200-20
=180

回答2:

5×(4O-4)
=5×40-4×5
=200-20
=180