Subject: Why do multiples of 3 also add to multiples of 3?
Date: Tue Aug 14 08:56:00 2001
Posted by michelle
Grade level: undergrad
School: university of sydney
City: sydney State/Province: nsw
Area of science: Other
WHy is it when you add together the numbers of any multiple of 3, it also adds
to a multiple of 3.For example, 12, 1+2=3 and 15, 1+5=6 and 18, 1+8=9, and 21,
2+1=3 and 24, 2+4=6 and so on. This only works for 3 and 1 of course. What is
the reason for thos and what is it called?
Re: Why do multiples of 3 also add to multiples of 3?
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