Найдите произведение
1) 5/9 × 3/25; 2) 14/24 × 5/7; 3) 7/8×16/35 4) 4/15 × 3/8; 5) 15/14 × 2/3.
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1) 5/9 × 3/25; 2) 14/24 × 5/7; 3) 7/8×16/35 4) 4/15 × 3/8; 5) 15/14 × 2/3.
Помогите срочо
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Ответ:
Пошаговое объяснение:
1) 5/9×3/25 = 5/25×3/9 = 1/5×1/3 = 1/15
2) 14/24×5/7 = 14/7×5/24 = 2×5/24 = 10/24 = 5/12
3) 7/8×16/35 = 7/35×16/8 = 1/5×2 = 2/5
4) 4/15×3/8 = 4/8×3/15 = 1/2×1/5 = 1/10
5) 15/14×2/3 = 15/3×2/14 = 5×1/7 = 5/7