Addition: Level 2: Exercise 5 (no carryovers)
Enter your answers in the boxes then click on SUBMIT:
66
+3
30
+9
92
+3
71
+5
12
+0
52
+4
76
+1
46
+0
22
+6
35
+3
90
+7
81
+6
23
+5
63
+4
82
+6
25
+2
97
+0
33
+3
86
+2
50
+8
71
+8
44
+5
11
+6
45
+1
17
+2
65
+3
53
+4
87
+2
24
+3
98
+1