Алгебра
Английский
Биология
География
Геометрия
История
Русский
Обществознание
Физика
Химия
Информатика
Литература
МатематикаВопрос:
10. Calculate: 7 × 5 + 46 8 × 4 - 19 5 × 6 + 28
Ответ:
Решение:
- \[ 7 \times 5 + 46 = 35 + 46 = 81 \]
- \[ 8 \times 4 - 19 = 32 - 19 = 13 \]
- \[ 5 \times 6 + 28 = 30 + 28 = 58 \]
Ответ: 81, 13, 58
Похожие
- 10. Calculate: 5 × 7 - 27 0 × 9 + 28 3 × 9 - 19
- 10. Calculate: 6 × 7 - 24 7 × 8 + 34 8 × 6 - 39
- 11. Calculate: 60 : 6 + 70 0 : 9 + 38 72 : 8 + 63
- 11. Calculate: 24 : 4 + 18 27 : 9 + 67 81 : 9 + 79
- 11. Calculate: 64 : 8 + 19 90 : 9 + 46 45 : 5 + 75
- 12. During a work lesson, 7 students each glued 3 boxes, and 9 students each glued 4 boxes. How many boxes did the students glue in total?
- 13. In eight packets, there are 9 g of carrot seeds each, and in two packets, there are 10 g of cucumber seeds each. How many grams of seeds are there in total?
- 14. Calculate: 8 × 4 + 45 : 5 7 × 4 - 24 : 6 8 × 7 + 48 : 8
- 14. Calculate: 36 : 4 + 8 × 4 7 × 8 - 4 × 9 63 : 7 + 6 × 5
- 14. Calculate: 28 : 4 + 24 : 6 7 × 9 - 81 : 9 36 : 6 + 80 : 8
- 15. Calculate: 54 : 9 + 7 × 4 49 : 7 + 6 × 3 72 : 9 + 4 × 5 40 : 8 + 5 × 4
- 15. Calculate: 8 × 7 - 48 : 6 6 × 4 - 18 : 3 7 × 9 - 14 : 7 8 × 6 - 25 : 5
- 15. Calculate: 9 × 3 - 36 : 9 8 × 5 - 28 : 7 9 × 8 - 42 : 6 7 × 5 - 12 : 4
- 16. 7 cans of grape juice were brought to the buffet, and apple juice was 5 times more. 18 cans of juice were sold. How many cans of juice are left?
- 17. There were 8 boats at the pier, and the number of rafts was 9 times more. 24 rafts sailed away. How many boats and rafts are left at the pier?
- 18. A hostess has 36 chicks, and the number of chickens is 6 times less. 18 birds were sold. How many chickens and chicks does she have left?
- 19. Compose and solve examples based on the pattern: 6 × 4 = 24 4 × 6 = 24 24 : 6 = 4 24 : 4 = 6
