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7 plus 2 is 9. 9 plus 8 is 17. 17 plus 3 is 20.
9 + 6 + 9 + 6 + 9 + 8 + 5 + 2 + 9 + 8 + 7 + 6 + 5 + 4 + 3 + 2 + 1 = 99
The answer is 2 : 8-2+3 = 6+3=9. 10 - 3 + __ = 9. 7 + __ = 9. ---> 9-7 = 2.
2/3 + 8/9 = 6/9 + 8/9 = 14/9 or 1 and 5/9.
2/3 = 6/9 2/9 + 6/9 = 8/9