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Wiki User
9 + 9 = 18
2, 6 and 9
By the uniqueness of numbers, it is equal to 18 billion: no more, no less.
-222
981,972,963,954,864,783
74
18 divided by 3=6
-19 + 1 = -18
18
37
-3, -6
58
2 x 3 x 3 = 18
The only two numbers that go into 18 and 50 evenly are one and two.