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Anonymous
3 + 9 = 12
9 + 3 = 12
12 - 9 = 3
12 - 3 = 9
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the fact family is 3 because 3 goes into all of them
3 x 4 = 12 4 x 3 = 12 12 / 3 = 4 12 / 4 = 3
4x9=36 9 x 4= 36 36 * 4 = 9 36 * 9= 4
-3
7+2=9