Question

ДАЙТЕ РЕШЕНИЕ ПОЖАЛУЙСТАА!)
Вычислить:
$( frac{2}{3} div 3 - 1) times 1.5 {}^{2} - 0.25$

Answer 1

$( frac{2}{3} div 3 - 1) times 1.5 {}^{2} - 0.25 = ( frac{2}{3 times 3} - 1) times ( frac{3}{2} ) ^{2} - frac{1}{4} = \ = ( frac{2}{9} - 1) times frac{9}{4} - frac{1}{4} = - frac{7}{9} times frac{9}{4} - frac{1}{4} = - frac{7 times 9}{9 times 4} - frac{1}{4} = \ = - frac{7}{4} - frac{1}{4} = - frac{8}{4} = - 2$

Answer 2

(2/3*1/3-1)*1,5^2-1/4=(2/9-1)*1,5^2-1/4=(-7/9)*1,5^2-1/4=-7/9*(3/2)^2-1/4=-7/9*9/4-1/4=-7*1/4-1/4=-7/4-1/4=-2