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-72/9 = -8
72/9 = 8
The quotient is 8
The quotient is 63/(9+5) = 4.5
508
4/72
72/8 = 9
18 + 36 + 45 + 9 + 9 + 54 + 27 + 72 + 81 = 351
The sum is: 72+9 = 81
7z+9 = 72 7z = 72-9 7z = 63 z = 9
72
1/8 + 1/9 = 9/72 + 8/72 = 17/72
9(8 + 1)