2^x<3
    （2-2x）^2<4
    -1704-19*t>0 639+7t>0
    1-a*0.6>(1-a)*1.4
    28*x+(30-x)*60<1480
    -1<=1/x+2<=4
    650*x+400*(75-x)<38500
    300+10(x-7)<40x
    3−2x≤5/7-2/14x
    2000÷2*(10-7)+2000÷2*(y-7)>2000*20%*7
    2000÷2*(10-7)+2000÷2*(x-7)>2000
    -（x+3）(x-2)>0
    （x+30000）×4.8%＜35940-x×0.2%
    3x-3＜8x-10
    2/x-1＜3/4x-5
    2x-2＜6
    -2/x+1＜3
    (800-(300+x))*30≤9000
    (800-(300+x))*22≤9000
    (800-(300+x))*20≤9000

Home page << page968 page969 page970 page971 page972 ... ... page983page page984page page985page page986page page987page >> Last page 1276 pages in total