# math

write out each problem with repeated addition.
3*0=
0*13=
20*0=

I got
0+0+0
0+0+0+0+0+0+0+0+0+0+0+0+0
0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0

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1. 0 times 13 is just a zero I think.

13 times 0 is your 0 + 0 + 0 etc

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posted by Damon

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