-12 + 24
+4 - 7 +20 -16
-5 -9 -30 -10
+10 -10
+24-36
-15 - 28
-25 - 10 + 5 + 5
+9 + 5 - 20 -6 + 38
+9 + 34
-101 + 90
-11
+43
-54
-12
+26
-43
0
+1
+12
-25
