这三个题都是简便计算,会的,请打快点,谢谢急用!好评谢谢!

2024-11-15 15:23:37
推荐回答(1个)
回答1:

解:简便计算方法如下
103×23
=(100+3)×23
=100×23+3×23
=2300+69
=2369
125×96
=125×(搜告橡100-4)
=125×100-125×4
=12500-500
=12000
78×99+78
=78×(世旁99+1)友乎
=78×100
=7800
望采纳,谢谢