1+x+x^2=1.96
    X+X^2=1.96
    X+X^2=69
    (80−2x)(12+2x)−16x=1156+640
    (80-2x)(12+2x)-16=1156+640
    x(x+10)=144
    5xx=4x
    (3x+1)(x-1)=(4x-1)(x-1)
    3×2^1-x=1×2^x-1
    3×2^x=1×2^-x
    1+x+x^2=31
    3X^2-6X-9=0
    2(X^2)-3X-1=0
    2*X^2-3X-1=0
    2X^2-3X-1=0
    25^2-20^2=X
    X^2=576
    25^2-7^2=X
    10^2+80-16X+X^2=10^2+X^2
    56X+2X(52-2X)=640

Home page << page428 page429 page430 page431 page432 ... ... page434 page435 page436 page437 page438 >> Last page 31237 pages in total