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Select the proper placement for parentheses to speed up the addition for the expression 4 + 6 + 5



A. 4 + (6 + 5)
B. (5 + 4) + 6
C. (4 + 6) + 5
D. (5 + 6) + 4

Respuesta :

Warden15
C, because everyone (hopefully) knows 6+4 is ten.  

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