Вопрос:
Выполните вычисления: 1×5; 50:5; 30:3; 90:9; 6×5; 5×3; 64:8; 7×7; 7×2; 7×3; 5×9; 2×7; 4×8; 21:7; 35:7; 4×8; 7×4; 8×3; 9×2; 9×7; 63:7; 8×0; 4×5; 7×4; 8×9; 5×9.
Ответ:
- 1 × 5 = 5
- 50 : 5 = 10
- 30 : 3 = 10
- 90 : 9 = 10
- 6 × 5 = 30
- 5 × 3 = 15
- 64 : 8 = 8
- 7 × 7 = 49
- 7 × 2 = 14
- 7 × 3 = 21
- 5 × 9 = 45
- 2 × 7 = 14
- 4 × 8 = 32
- 21 : 7 = 3
- 35 : 7 = 5
- 4 × 8 = 32
- 7 × 4 = 28
- 8 × 3 = 24
- 9 × 2 = 18
- 9 × 7 = 63
- 63 : 7 = 9
- 8 × 0 = 0
- 4 × 5 = 20
- 7 × 4 = 28
- 8 × 9 = 72
- 5 × 9 = 45