解不等式组{3(x+1)>5x-1,[ (5x+1)/2]-[(2x-1)/3]>=-1}

问题描述:

解不等式组{3(x+1)>5x-1,[ (5x+1)/2]-[(2x-1)/3]>=-1}
解不等式;-1/3(x-1)>4+2x

3(x+1)>5x-13x+3>5x-14>2x x=-1左右乘以6 15x+3-4x+2>=-611x>=-11x>=-1得 -1=1 则有-1/3>(4+2x)(x-1) -1/3>4x+2x^2-42x^2+4x-11/3 1组合得出结果 同理假设x...