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

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

User Cweekly
by
8.2k points

2 Answers

2 votes
4+6+5
I will use parentheses in 4 and 6, so
4+6+5
=(4+6)+5
=10+5
=15. Hope it help!
User Bhalothia
by
8.3k points
0 votes
(4 + 6) + 5.....I would think it would be this one
User Tommy Leong
by
7.8k points
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