(2013•蒙城县模拟)解不等式组:x−3(x−2)≥4①1+2x3>x−1②
(2013•蒙城县模拟)解不等式组:x−3(x−2)≥4①1+2x3>x−1②
解不等式组10−4(x−3)≥2(x−1)①x−1>1−2x3②
若不等式组x−3(x−2)≤4a+2x3>x
解不等式组x+6≤3x+41+2x3>x−1.
(2011•镇江模拟)解不等式组:x−34+6≥x,①4−5(x−2)<8−2x,②
(2011•大祥区模拟)解不等式组5−2x≥−1x−1>0
(2012•黄冈模拟)已知函数f(x)=x3−3x2+1,g(x)=(x−12)2+1(x>0)−(x+3)2+1(x≤
解不等式组3(x+1)>5x+4①x−12≤2x−13②
已知方程:①4x-2=3-x,②2x−13=−x3+2,③3.2x+2.6(6-x)=18,④3x=2+x中,解为x=1
解不等式组2x+1>x−54x≤3x+2
解不等式组 ①2x->x+1 ②x+6>4x-3
结不等式:1、4x²-4x>152、14-4x²≥x3、x(x+2)