Addition: Level 2: Exercise 3 (no carryovers)
Enter your answers in the boxes then click on SUBMIT:
6
+3
5
+4
7
+1
2
+4
8
+0
7
+0
1
+2
3
+5
6
+1
7
+2
3
+1
0
+0
4
+1
3
+3
1
+5
5
+2
3
+4
1
+1
9
+0
2
+2
4
+4
2
+7
5
+0
2
+6
0
+4
0
+2
8
+1
2
+3
4
+5
1
+0