Respuesta :

choixongdong

19 + (11+37) = (19 + 11) + 37

Associative property of addition

perixwinkle

Lennie used the associative property.

The associative property basically shows that in any order the parenthesis are grouped, you will get the same number.

For example: 19+(11+37)= (19+11)+37=67

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