9 – 19 ⋅ 2 + 34 18 – 20 – 6 ⋅ 12 78 : (64 – 58) 9 ⋅ (42 – 37) 45 : 15 96 : 24

Вычислим значения выражений:

1. 9 – 19 ⋅ 2 + 34
• 19 ⋅ 2 = 38
• 9 – 38 = -29
• -29 + 34 = 5
2. 18 – 20 – 6 ⋅ 12
• 6 ⋅ 12 = 72
• 18 – 20 = -2
• -2 – 72 = -74
3. 78 : (64 – 58)
• 64 – 58 = 6
• 78 : 6 = 13
4. 9 ⋅ (42 – 37)
• 42 – 37 = 5
• 9 ⋅ 5 = 45
5. 45 : 15 = 3
6. 96 : 24 = 4

Ответы: 5, -74, 13, 45, 3, 4