www.3112.net > 101x88一88的简便运算

101x88一88的简便运算

提取公因式,原式=88(101-1)

101x88=100x88+1x88=8800+88=8888,

101×88-88 =(101-1)×88 =100×88 =8800

101*54-54=(101-1)*54=5400 25*88=25*4*22=2200

网站地图

All rights reserved Powered by www.3112.net

copyright ©right 2010-2021。
www.3112.net内容来自网络,如有侵犯请联系客服。zhit325@qq.com