Mathematics, 20.09.2019 09:00, RealSavage4Life

Select the proper placement for parentheses to speed up the addition for the expression 4 + 6 + 5 a. (4 + 6) + 5 b. (5 + 6) + 4 c. 4 + (6 + 5) d. (5 + 4) + 6

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