9
Nine is an interesting number to multiply. If you add
together the digits of the answer, you always end up back with 9.
2 * 9 = 18
Add together 1 and 8 et voila! 9
Or really go mad and try something bigger:
56 * 9 = 504
5+0+4 = 9
And even where you don’t immediately get back to 9, then add
together the numbers of the answer until you get back to a single digit and it
will always be 9.
55 * 9 = 495
4+9+5 = 18
1+8 = 9.
For an explanation of why this is a countUP and not a
countDOWN, CLICKHERE for the New Year post
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