5/8 × 1 13/15 × 2 2/7
= 5/8 × 28/15 × 2 2/7
= 5/8 × 28/15 × 16/7
= 5 × 4/15 × 2
= 4/3 × 2
= 8/2 = 2 2/3.
Пошаговое объяснение:
5/8 × 1 13/15 × 2 2/7
= 5/8 × 28/15 × 2 2/7
= 5/8 × 28/15 × 16/7
= 5 × 4/15 × 2
= 4/3 × 2
= 8/2 = 2 2/3.
Пошаговое объяснение: