By what rule can I identify numbers that can be divided by nine without rest? 765 is dividable by 9, and so is 123456789. How ca
n I "see" that?
1 answer:
If you add the digits and it divides by 9 then it divides for that number
Like 765 is 7+6+5=18 since 18/9=2 then 765 divides by 9
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