thompsonlariah thompsonlariah

27-09-2017
Mathematics

contestada

use mental math for 122+306

Respuesta :

bareoak1 bareoak1

27-09-2017

306+122=428
Because you add 6 & 2 in the ones place which is 8.
then 2 and 0 which is 2.
finally 1 and 3 which is 4

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