65x12 12x35用乘法分配律算

2025-03-20 22:21:48
推荐回答(2个)
回答1:

65x12+12x35
=12x(65+35)
=12x100
=1200

回答2:

65x12+ 12x35
=(65+35)x12
=100x12
=1200

;;;