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The sum of 4 consecutive integers is-54 . What is the greatest integer?

解答

The sum of 4 consecutive integers is -54 . What is the greatest integer?

解答

The largest number : - 12

求解步骤

Represent the numbers with

x

:

First number : x

Consecutive number 1 : x + 1

Consecutive number 2 : x + 2

Consecutive number 3 : x + 3

A.T.Q.:

x + x + 1 + x + 2 + x + 3 = - 54

解

x + x + 1 + x + 2 + x + 3 = - 54 : x = - 15

x + 1 = - 15 + 1 = - 14

x + 2 = - 15 + 2 = - 13

x + 3 = - 15 + 3 = - 12

Select the largest solution:

- 12

The largest number : - 12

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