BOY math test, part 1
12 = 6 + ____
4 + ____ = 8
16 - 8 = ____
____ - 7 = 7
18 = ___ + 9
5 + 5 = ___
Which fact does not belong
6 = 3 + 3
5 + 6 = 11
20 - 10 = 10