Question

13 h 5min-3•(2h 48min:6+3h 47min)

Answer 1

Ответ: 1h 2min

Пошаговое объяснение:

h - часы, min - минуты

13h 5min - 3*(2h 48min:6 + 3h 47min) = 13h 5min - 3*(28min + 3h 47min) = 13h 5min - 3*4h 15min = 13h 47min - 12h 45min = 1h 2min

Answer 2

Ответ:

Пошаговое объяснение:

Answer 3

To solve the expression 13h + 5min - 3 * (2h + 48min:6 + 3h + 47min), let's break it down step by step:

1. Simplify the expression inside the parentheses: 2h + 48min:6 + 3h + 47min. - The expression 48min:6 means dividing 48 minutes by 6, which equals 8 minutes. - So, the simplified expression inside the parentheses becomes: 2h + 8min + 3h + 47min.

2. Combine like terms: 2h + 8min + 3h + 47min. - Combine the terms with 'h': 2h + 3h = 5h. - Combine the terms with 'min': 8min + 47min = 55min. - The expression becomes: 5h + 55min.

3. Substitute the simplified expression back into the original expression: 13h + 5min - 3 * (5h + 55min). - Distribute the multiplication: 3 * 5h = 15h and 3 * 55min = 165min. - The expression becomes: 13h + 5min - 15h - 165min.

4. Combine like terms: 13h - 15h + 5min - 165min. - Combine the terms with 'h': 13h - 15h = -2h. - Combine the terms with 'min': 5min - 165min = -160min. - The expression becomes: -2h - 160min.

Therefore, the simplified expression is -2h - 160min.

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