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muminat
3 years ago
9

Select the proper placement for parentheses to speed up the addition for the expression 4 + 6 + 5 A. (5 + 4) + 6 B. (4 + 6) + 5

C. (5 + 6) + 4 D. 4 + (6 + 5)
Mathematics
2 answers:
kolbaska11 [484]3 years ago
8 0

Answer:

The answer is B. (4+6)+5.

Step-by-step explanation:

To find the proper placement for a parentheses to speed up the addition, fisrt we have to look the expression:

4+6+5

We can place the parentheses for the first two terms and make it simple, this is:

(4+6)+5

It makes the sum easy because you can make the sum in two parts.

The answer is B. (4+6)+5.

castortr0y [4]3 years ago
3 0
Answer is 

<span>B. (4 + 6) + 5

hope it helps</span>
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