Multiply any number by nine, no matter how big or small, the numbers in the answer will always add up to nine! Check this out:
9 X 2 =18 : 1 + 8 = 9
9 X 3 = 27 : 2 + 7 = 9
9 X 4 = 36 : 3 + 6 = 9
9 X 50 = 450 : 4 + 5 + 0 = 9
9 X 290 = 2610 : 2 + 6 + 1 + 0 = 9
9 X 1201 = 10809 : 1 + 0 + 8 + 0 + 9 = 18 then 1 + 8 = 9
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