Question

7×2/3×(-3/4)×4/5×(-5/6)×6/7

Answer 1

7×$\frac{2}{3}$×(-$\frac{3}{4}$)×$\frac{4}{5}$×(-$\frac{5}{6}$)×$\frac{6}{7}$ = $\frac{2}{3}$×$\frac{3}{4}$×$\frac{4}{5}$×$\frac{5}{6}$×7×$\frac{6}{7}$ =  $\frac{2}{3}$×$\frac{3}{4}$×$\frac{4}{5}$×$\frac{5}{6}$×6 = $\frac{2}{3}$×$\frac{3}{4}$×$\frac{4}{5}$×5 = $\frac{2}{3}$×$\frac{3}{4}$×4 = $\frac{2}{3}$×3 = 2.

Answer 2

Ответ:

Ответ 2

Пошаговое объяснение:

2/3×(-3,4)=1/2

1/2×4/5×5/6=1/3

1/3×6/7=2/7×7=2

2/7×7 там сокращается