(1000x+1000x X 0.5%) - (5000+5000X0.5%)≥1000
4个回答
1000x(1+0.5%)-5000x(1+0.5%)≥1000
x(1+0.5%)-5x(1+0.5%)≥1
-4.02x≥1
x≤-0.249
相关问题
1000/x-1000/(x+10)=5
0.5x+0.3乘(1000-x)=420
0.3x+(1000-x)(-0.5)=260怎么解?
0.4x+0.3*(1000-7/5x)=290
f(x)={1000/x^2 x>=1000 0,其他 P{x>1500}=∫+∞ 1000/x^2 dx =? 150
f(x)={1000/x^2 x>=1000 0,其他 P{x>1500}=∫+∞ 1000/x^2 dx 题目是这样的
已知2.5x=1000,0.25y=1000,求证:[1/x]-[1/y]=[1/3].
(200+x)(1000-2x)=200*1000*(1+12.5%)
5x+(x+40)=1000
0.3乘1000-x的和-0.5x=260 怎么解