Question

Пользуясь переместительное свойство умножения , выполните действия : 2 × 80 × 3 40 ×2 × 5 6 × 40 × 5 8 × 3 × 50 60 × 2 × 4 20 × 6 × 5 ​

Answer 1

2 * 80 * 3 = (2 * 3) * 80 = 6 * 80 = 480

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40 * 2 * 5 = (2 * 5) * 40 = 10 * 40 = 400

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6 * 40 * 5 = (6 * 5) * 40 = 30 * 40 = 1200

или

6 * 40 * 5 = (40 * 5) * 6 = 200 * 6 = 1200

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8 * 3 * 50 = (8 * 50) * 3 = 400 * 3 = 1200

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60 * 2 * 4 = (2 * 4) * 60 = 8 * 60 = 480

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20 * 6 * 5 = (20 * 5) * 6 = 100 * 6 = 600