Question

Вычислите 256^1/4 : 32^2/5 - 4

Answer 1

${256}^{ frac{1}{4} } div {32}^{ frac{2}{5} } - 4 = {( {2}^{8} )}^{ frac{1}{4} } div { {(2}^{5} )}^{ frac{2}{5} } - 4 = \ = {2}^{ frac{8 times 1}{4} } div {2}^{ frac{5 times 2}{5} } - 4 = {2}^{2} div {2}^{2} - 4 = 1 - 4 = \ = - 3$