evansanwsers evansanwsers

10-10-2016
Mathematics

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Use doubles to find the sum of 7+8.

Respuesta :

10-10-2016

7+8 =15
so u can use 7+7 +1
since 15 is off number there is no exact double number for that u have to use 1

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toniahubb toniahubb

10-10-2016

I believe, 8+8=16, 16-1=15

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