frequal.com Math Worksheet: Level 0
85
+
14
66
-
23
63
+
57
80
-
76
75
+
44
89
-
51
80
+
70
78
-
26
77
+
27
63
-
45
89
+
16
68
-
62
37
+
2
67
-
8
59
+
40
54
-
48
84
+
0
38
-
0