Question

Вычислите 18^3+22^3:(18-22)^2+18*22

Answer 1

$frac{18 ^{3}+22 ^{3} }{(18-22) ^{2}+18*22 }= frac{(18+22)(18 ^{2}-18*22+22 ^{2}) }{18 ^{2}-2*18*22+22 ^{2} +18*22 }= frac{18+22)(18 ^{2}-18*22+22 ^{2}) }{18 ^{2}-18*22+22 ^{2} } =$$18+22=40$