Пошаговое объяснение:
1 1/3×4/9+5/9×1 1/3 =
16/27+20/27= 36/27
1 1/3
1×3+1/3 × 4/9 + 5/9 × 1×3+1/3 =
= 4/3 × 4/9 + 5/9 × 4/3 =
= 16/27 + 20/27 = 36/27 = 12/9 = 4/3
Пошаговое объяснение:
1 1/3×4/9+5/9×1 1/3 =
16/27+20/27= 36/27
1 1/3
1×3+1/3 × 4/9 + 5/9 × 1×3+1/3 =
= 4/3 × 4/9 + 5/9 × 4/3 =
= 16/27 + 20/27 = 36/27 = 12/9 = 4/3