10. Match the complex number addition and subtraction problems with their answers.
1. 3+31
2. -3+51
3. 6-1
4.-11+3t
5. 2+10
6. -5+31
9

a. -8+21+(-3+1)
b. 1-3-(4-8)
c2+5-(-1+2)
d. -5+8+ (7+2)
P
e 8-2+(-2+6)
1. -6+61-(-1+31)