Question

[4 - (2/3) ^ 2] ^ - 1 * (1/2) ^ -2 =

Answer 1

$(4 - frac{4}{9} ) {}^{ - 1} times {2}^{2} = ( frac{36}{9} - frac{4}{9} ) {}^{ - 1} times 4 = ( frac{32}{9} ) {}^{ - 1} times 4 = frac{9}{32} times 4 = frac{9}{8 times 4} = frac{9}{8} = 1 frac{1}{8}$

Answer 2

что не устроило в ответе??????