a^2-3*ab+5*a-15*b/a*(b^2)+3*a*d+5*a+15*b
a^2-3*ab+5*a-15*b^(1+2)/a+3*a*d+5*a+15*b
a^2-3*ab+5*a-15*b^3/a+3*a*d+5*a+15*b
a^2-3*ab+10*a-15*b^3/a+3*a*d+15*b
Ответ: -15*b^3/a+15*b+a^2+10*a-3*ab+3*a*d
81*n*(b^2)-64*m(b^2)/81*n*(b^2)-144nm+64m*b^2
64-m*b^(2+2)/81*n-144nm+64m*b^2
64-m*b^4/81*n-144nm+64m*b^2
Ответ: -m*b^4/81*n+64m*b^2+64-144nm