65x35+35x2+35x30怎么简便计算?

2024-12-28 12:34:09
推荐回答(1个)
回答1:

运用乘法分配律使计算简便:
65x35+35x2+35x30
=(65+2+30)x35
=97x35
=(100-3)x35
=100x35-3x35
=3500-105
=3395