Question

помогите пж. 1 и 3 решить

Answer 1

1.

▪а)

$frac{5}{6} times 1.04 - frac{5}{6} times 0.04 = frac{5}{6} times (1.04 - 0.04) = frac{5}{6} times 1 = frac{5}{6}$

▪б)

$18 times ( - frac{5}{9} ) - ( - 11) div ( - 5) = - frac{18 times 5}{9} - frac{11}{5} = - 10 - 2 frac{1}{5} = - 12 frac{1}{5}$

3.

$15 + 3x + 6(1 - x) = 2x + 11 \ 3x - 2x - 6x = 11 - 15 - 6 \ - 5x = - 10 : : : : : | div - 5 \ x = 2$

Answer 2

а второе

Answer 3

что второе????