www.5129.net > 19.8/3.8的简便计算是什么?

19.8/3.8的简便计算是什么?

19.8除以3.8的简便是19.8÷3.8≈5.21。

19.4✖️6.7+2.3 ×19.4 =19.4×(6.7+2.3) =19.4×9 =174.6 16.2×2+3.8✖️2 =(16.2+3.8)×2 =20×2 =40 (8+0.8)✖️1.25 =8×1.25+0.8×1.25 =10+1 =11

网站地图

All rights reserved Powered by www.5129.net

copyright ©right 2010-2021。
www.5129.net内容来自网络,如有侵犯请联系客服。zhit325@qq.com