www.qjxh.net > 列竖式计算4.56X14÷1.2

列竖式计算4.56X14÷1.2

(1)(21+25)×57,=21×57+25×57,=15+27,=1527;(2)3-23×1021-27,=3-2063-1863,=3-(2063+1863),=3-3863,=22563;(3)8×56+25÷4,=8×56+25×14,=203+110,=20330;(4)50%x-14x=10, (50%-14)x=10,(0.5-0.25)x=10, 0.25x=10,...

网站地图

All rights reserved Powered by www.qjxh.net

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