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Use doubles to find the sum of 7+8

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Use doubles to find the sum of 7+8

asked Sep 15, 2018 188k views

2 votes

Use doubles to find the sum of 7+8

Mathematics
middle-school

by Bali

8.2k points

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1 Answer

4 votes

by my knowing rhe answer is 31

Fredrik Erlandsson answered Sep 20, 2018

by Fredrik Erlandsson

8.4k points

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