Question

3/4-(2/3)^-1
Помогите

Answer 1

3/4-(1(2/3))
3/4-3/2=-3/4

Answer 2

$frac{3}{4} - frac{2}{3}^{-1} = frac{3}{4} -1: frac{2}{3}= frac{3}{4} - frac{3}{2} = frac{3-3*2}{4} = frac{3-6}{4} =- frac{3}{4} =-0,75$