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Grace Wilcox
Mathematics
22 July, 10:47
How do u answer this question ... 18+13=
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Emilee Rivers
22 July, 11:07
0
18+13 is 31.
because 18+13 can be
10 + 8 + 10 + 3
and if you add 8 and 3, it's 11
if you add 10 with 10, it's 20
so then if you add 11 with 20, it's 31
there are many different ways to add numbers, but this is just one of them
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