camille3
camille3
30-09-2015
Mathematics
contestada
use mental math to find the sum 52+19
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YunXin
YunXin
30-09-2015
I knew that 9 plus 2 equals 11 so I add 5+1+1 which equals 7. Then I add the one which equals 71
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Аноним
Аноним
30-09-2015
mental math
52+9=61 there ya go I hope your happy
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