Advertisement

SUBTRACTION Self-Correcting Quiz - FOURS

1
12
-  4
2
8
-  4
3
13
-  4
4
5
-  4
5
10
-  4
6
7
-  4
7
7
-  4
8
9
-  4
9
11
-  4
10
5
-  4
11
11
-  4
12
6
-  4
13
12
-  4
14
9
-  4
15
6
-  4
16
8
-  4
17
10
-  4
18
13
-  4
Advertisement