cellachavez cellachavez

17-11-2016
Mathematics

contestada

12-7=_ use ten to subtract

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sammie77 sammie77

17-11-2016

5 is your answer because 3+7=10

so 5+7=12

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17-11-2016

Or you use 10-7=3 and then 3+2=5 the 2 coming from the remainder of 12 after you used the 10 to subtract

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