+
56+54
110
100-54
46
828+10
838
a+a+c+b-c
2a+b
100:10
10
211+113
324
42-11
31
100-46
54
a-c+d-2a
-a-c+d
1518:100
15,18
134+342
476
728-27
701
3*10
30
-2a+3c-b+a-2b
-a-3b+3c
28:2
14
314+721
1035
436-613
-177
8:4
2
2(3+2a)3+a-1
5a+8
63:3
21
567+326+265
1158
536-728
-192
a2+b-a+b
a+b2
3(2a+4c)b2-a+2c-b
5a+14c+b
60:12
5