cos7x
    60830649.87+X/1.065*0.065=X
    5000/（1+x）-5000/（1+x）^2=800
    97.5%*95%*X=5050
    ln-x
    x+33+95=157
    4.8+0.9*(x-4.8)=12
    2*x^2-4x-7=0
    X+0.08=(10-X)x0.833
    x^2-8.3x+9.7=0
    (x+1)4
    128x²-5x+18=0
    80-(x+5)÷4=70
    x+50=3x
    25[（x*x)+1]=41
    3（50-x-5）-x=103
    x^2 - 9.8x +21.1 = 0
    13.2c=（3.2+c）×7.93
    13.2c=（3.2+c）×7.94
    13.2c=（3.3+c）×7.94

Home page << page147 page148 page149 page150 page151 ... ... page153 page154 page155 page156 page157 >> Last page 31237 pages in total