1.12:(-4)+6-(-1)= 2.11-(-5)×3+2= 3.2+(-5)×(-4)-(-2)= 4.(-2)×(-9)+8-(-2)= 5.6-(-4):2+8=

1. = -3 + 7 = 4
2. 11-15 + 2 = -4 + 2 = -2
3. 2+ 20+ 2 = 24
4. 18 + 10 = 28
5. 6-(-2)+8 = 8+8 = 16

1) 12÷(-4)+6+1 =(-3)+7 =4
2) 11+(5×3)+2 =11-15+2 =-2
3)2+((-5)×(-4))+2 =2+20+2 =24
4)((-2)×(-9))+8+2 =18+10 =28
5)6+(4÷2)+8 =6+2+8 =16