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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cg2929
cg2929
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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