x+17<5x+5<3x+13
    x*5-2>38
    2x+8<30
    6x-3<15
    3x-6<12
    2x-8>14
    2x+8>12
    3x+6>12
    0.25*30^(1-x)+0.75*60^(1-x)<45^(1-x)
    0.25*30^(1-x)+0.75*60^(1-x)>40^(1-x)
    0.25*30^(1-x)>40^(1-x)
    1+x>1
    0.25*30^(1-x)+0.75*60^(1-x)-40^(1-x)>0
    3/2x>50
    3/2>50
    sqrt(（237960*18*1.22÷（-0.5*x^4+55.5*x^3-532*x^2+36088*x））^2+（661*7÷50.4÷x）^2）＜200
    (237960*（120+x）)÷（-0.5*x^4+55.5*x^3-532*x^2+36088*x）＜244
    2x-2>-4
    2x-2>-5
    n∧2＋9n-190≥0

Home page << page376 page377 page378 page379 page380 ... ... page391page page392page page393page page394page page395page >> Last page 1276 pages in total