49а^4b^12=7^2*(a^2)^2*(b^6)^2=(7*a^2*b^6)^216/9*a^26*b^22=(4/3)^2*(a^13)^2*(b^11)^2=(4/3*a^13*b^11)^264a^12b^27=8^3*(a^4)^3*(b^9)^3=(8*a^4*b^9)^3-27/8*a^21*b^36=(-3/2)^3*(a^7)^3*(b^12)^3=(-3/2*a^7*b^12)^3(9b^2c)^2=81*b^(2*2)*c^2=81*b^4*c^2(3*c^2*e^4)^4=3^4*c^(2*4)*e^(4*4)=81*c^8*e^16(2*a^2*k^3)^5=2^5*a^(2*5)*k^(3*5)=32*a^10*k^15