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МатематикаВопрос:
15. Calculate: 8 × 7 - 48 : 6 6 × 4 - 18 : 3 7 × 9 - 14 : 7 8 × 6 - 25 : 5
Ответ:
Решение:
- \[ 8 \times 7 - 48 \div 6 = 56 - 8 = 48 \]
- \[ 6 \times 4 - 18 \div 3 = 24 - 6 = 18 \]
- \[ 7 \times 9 - 14 \div 7 = 63 - 2 = 61 \]
- \[ 8 \times 6 - 25 \div 5 = 48 - 5 = 43 \]
Ответ: 48, 18, 61, 43
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- 19. Compose and solve examples based on the pattern: 6 × 4 = 24 4 × 6 = 24 24 : 6 = 4 24 : 4 = 6
