证明:满足不等式1/(x-1)+2/(x-2)+3/(x-3)+……+70/(x-70)≥5/4 的实数x的
证明:满足不等式1/(x-1)+2/(x-2)+3/(x-3)+……+70/(x-70)≥5/4 的实数x的
已知实数x满足5x*x-3x-5=0,求代数式5x*x-2x-1/5x*x-2x-5的值.
已知实数x满足5x*x-3x-5=0,求代数式5x*x-2x-[1/5x*x-2x-5]的值.
求同时满足2x+4>x+3,2x+7≥3x+6和不等式4x-1≥5x-3的整数解
求同时满足不等式3+x<4+2x,5x-3<4x-1和7+2x大于6+3x的整数x
满足不等式(x+5)/2-1>(ax+2)/2的x一定满足不等式2x-3
求既满足不等式7X-2>3(X-1),又满足不等式2/5X-1≤9-2/3X的正整数X
若存在实数x满足不等式|x-3|+|x-5|
已知实数x,y满足条件x≥0,y≥x,3x+4y≤12,则(x+2y+3)/(x +1)的最大值是
若实数x,y满足x-4y+3≤0,3x+5y-25≤0,x≥1,则2x-y的最大值是多少
(2013•温州二模)若实数x,y满足不等式组x+2y≥22x+y≤4x−y≥−1,则3|x-1|+y的最大值是( )
实数X,Y满足不等式组2X+5Y-10≥0,2X-3Y+6≤0,2X+Y-10≤0.则(Y+1)/(X+1)的最大值为