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If you are trying to solve 7+5, how can 7+3=10 help you

If you are trying to solve 7+5, how can 7+3=10 help you-example-1
User Ion Aalbers
by
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1 Answer

23 votes
23 votes

Answer:

7 + 3 = 10

7 + 5 = 7 + (3 + 2) = 7 + 3 + 2 = (7 + 3) + 2 = 10 + 2 = 12

Hope this helps!

User Xingou
by
2.9k points
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