Ответ: 6000, 2700, 5600, 2000
Краткое пояснение: Используем перестановку и группировку множителей для упрощения вычислений.
- 15 ⋅ 8 ⋅ 5 ⋅ 10 = 15 ⋅ 5 ⋅ 8 ⋅ 10 = 75 ⋅ 80 = 6000
- 25 ⋅ 3 ⋅ 4 ⋅ 9 = 25 ⋅ 4 ⋅ 3 ⋅ 9 = 100 ⋅ 27 = 2700
- 7 ⋅ 50 ⋅ 8 ⋅ 2 = 7 ⋅ 8 ⋅ 50 ⋅ 2 = 56 ⋅ 100 = 5600
- 8 ⋅ 5 ⋅ 100 ⋅ 5 = 8 ⋅ 5 ⋅ 5 ⋅ 100 = 40 ⋅ 500 = 2000
Ответ: 6000, 2700, 5600, 2000
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