noely20081 noely20081

03-11-2016
Mathematics

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Show how to make one addend the next tens number. 15+37=?

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Mathmaster11 Mathmaster11

03-11-2016

You add 5 and 7 then you add 1 and 3

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Аноним Аноним

03-11-2016

15+37
∨ ∨
5+7=12
15+37
∨ ∨
1+3= 4
Then add 4 with 12. 4+12=16. I don't know if this works or not but I tried. :)

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