ldcf.net
当前位置:首页 >> 7.8÷x=0.2? >>

7.8÷x=0.2?

7.8÷x=0.2 7.8=0.2x x=7.8÷0.2 x=39

=9.8÷0.7÷0.2 =14÷0.2 =70

x÷0.8-2=7.5 解:x÷0.8=9.5 x=9.5*0.8 x=7.6

0.8x=7.2 x=7.2÷0.8 x=9 你好,本题已解答,如果满意 请点右下角“采纳答案”。

题干不详

7.2÷0.25+2.8×4=(10-2.8)÷0.25+2.8×4=(10-2.8)×4+2.8×4=10×4-2.8×4+2.8×4=10×4=40

1

199,8十7,8十7,8x0,2 =200-0.2十7,8十7,8x0,2 =200+7.8+6.8*0.2 =207.8+1.36 =207.8+1.2+0.16 =209.16

(3) 0.2x=7.2 x=36 (4) x-6.2=5 x=11.2

x+0.8=7.2 (1+0.8)x=7.2 1.8x=7.2 x=7.2÷1.8 x=4

网站首页 | 网站地图
All rights reserved Powered by www.ldcf.net
copyright ©right 2010-2021。
内容来自网络,如有侵犯请联系客服。zhit325@qq.com