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16-03-2020
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what is 9 + 10 + 2 - 3 + 2 + 1

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Mzelaya0 Mzelaya0

16-03-2020

21
just break it down next time like this for example, 10+9 is 19 then add 2 = 21 subtract 3 which then becomes 18 instead of just adding 2 do this (2+1 =3) so 18 plus 3 is 21

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