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Old 29th January 2023, 01:04 AM   #10
JoeCanada42
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Join Date: Jan 2021
Location: Canada
Posts: 259
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this thought just occured to me.....
9+9+9+9=36, 3+6=9
9+9+9+9+9=45, 4+5=9
9+9+9+9+9+9= 54, 5+4=9

9x13=117 , 1+1+7=9
9x25=225 , 2+2+5=9
9x367 3303, 3+3+0+3=9

ad finitum
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