Question: 12 Select the proper placement for parentheses to speed up the addition for the expression 4 6 5 O A 5 4 6 O B

 12 Select the proper placement for parentheses to speed up the

addition for the expression 4 6 5 O A 5 4 6

12 Select the proper placement for parentheses to speed up the addition for the expression 4 6 5 O A 5 4 6 O B 5 6 4 O C 4 6 5 O D 4 6 5

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