1. 102
7. (3-1425-26)
8. (2x²y5) (3x{y^)
-2.6
3.
9
5x-2
(3x)
4
ab-3
10. (a*+2)-(q3x+2)
11.-20-
5.*-?(2)
(4xy-2)
6.29 + 2-3
12
6(2x)-(y)
3x3yo
