(0.2x-0.1)/0.3-(0.01x+0.02)/0.06=20
题目
(0.2x-0.1)/0.3-(0.01x+0.02)/0.06=20
答案
(0.2x-0.1)/0.3-(0.01x+0.02)/0.06=20
(2x-1)/3-(x+2)/6=20
2(2x-1)-(x+2)=120
4x-2-x-2=120
3x=120+4
x=124/3
举一反三
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
最新试题
- He ran as fast as possible to catch the car 的同意句?
- 子曰：“不仁者,不可以久处约,不可以长处乐.仁者安仁,知者利仁.” 小故事
- it rained ___last sunday .they had to stay at home.all the day/all day/all days 选什么 为什么
- Sometimes people call each other "cat", but have you ever thought about this expression?
- 请问r^2=cos2θ 求此弧长怎样确定θ的范围呢
- 高等数学关于二重积分的问题.
- 致我爱的妈妈.用英文怎么说?
- 1,2,-3,4,5,-6,7,8,-9,10．．．第100个数是多少?
- it is a beautiful cell phone but it is not ___the price that i paid for it
- 如图,已知AB=AC,DB=DC,AD,BC交于点O,求证,AD⊥BC,OB=OC
热门考点