-12c+7
-3xy-4x-2
0.1x-1.2
310x+12
4x+6
-15x3+6x2+11x
16x+215
-120y2-112y
-2a-11b
11a+16b-4c
6a+5b+7
48a-36b
-4a+28b+0.8
332x-110y
40x+3
-2x+63y+1
-112x+512y
12a+13b
-22a5-35
11x6-5y6
-68a15+10615
11a12-b12
-35x4y5
20x3yz43
-56x5y7
2x5y4z3
12x3y3
-x7y8z948
20m17n11
-9m5n47
3a2
-6a2
-5x3y
9a2
95m4
12y3x3
b32ac2
225c4a4b6
-a2b64c3
103a2
-4b