Помогите решить примеры
1. 12-8(7+6)
2. 3-3(-2-1)
3. 7-7(12-6)
4. 19-10×(8-3)
5. 20-4×(4-9)
6. 8+9×(1-3)
7. 10+2(2-15)
8. 12+6(9+3)
1. 12-8(7+6)
2. 3-3(-2-1)
3. 7-7(12-6)
4. 19-10×(8-3)
5. 20-4×(4-9)
6. 8+9×(1-3)
7. 10+2(2-15)
8. 12+6(9+3)
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Answers & Comments
2)=3-3×(-3)=3+9=12
3)=7-7×6=-35
4)=19-10×5=19-50=-31
5)=20-4×(-5)=20+20=40
6)=8+9×(-2)=8-18=-10
7)=10+2×(-13)=10-26=-16
8)=12+6×12=84
2)3+6+3=12
3)7-84+42=119
4)19-80+30=-31
5)20-16+36=40
6)8+9-27=-10
7)10+4-30=-16
8)12+54+18=84