（27.776+x）×0.85＝55.552+77.128-x
    （27.776+x）×0.85＝55.552+78.128-x
    -x^2+4x+3=0
    x∧4+2X∧2-24=0
    x4+2x2-24=0
    -x^2+7/3x+2=0
    2500＝1.1*222.4arctan(x^2/15.8/sqrt(62.5-x^2))
    2500＝1.1*222.4arctan(x/15.8/sqrt(62.5-x))
    1604*（1+x）^5=2933
    x-75%x=1/2
    x-75%=1/2
    10t²+10t -15=0
    18（6-x）=9
    x-6+3=10
    10-3x=1
    (10-1)/3=x
    X+X*0.03=1718.88
    -0.5x∧2+（153+42√3）x÷66-（42√3+21）÷33=0
    （53-x-8）/（x+8）=13/40
    53-x-8/x+8=13/40

Home page << page9 page10 page11 page12 page13 ... ... page15 page16 page17 page18 page19 >> Last page 31289 pages in total