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6 - ____ = 3
Check
9 - ____ = 5
Check
9 - ____ = 4
Check
____ - 7 = 2
Check
____ - 2 = 7
Check
____ - 3 = 4
Check
____ - 5 = 5
Check
____ - 5 = 3
Check
____ - 2 = 6
Check
10 - ___ = 7
Check
9 - ___ = 1
Check
8 - ___ = 4
Check
OK