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受欢迎的 Word Problems >

The sum of three consecutive integers is minus,−51. Find the value of the middle of the three.

解答

T h e s u m o f t h ree co n sec u t i v e in t e g ers i s min u s, - 51. F in d t h e v a l u e o f t h e mi dd l e o f t h e t h ree .

解答

The number : 17

求解步骤

Represent the numbers with

x

:

First number : x

Consecutive number 1 : x + 1

Consecutive number 2 : x + 2

A.T.Q.:

x + x + 1 + x + 2 = - (- 51)

解

x + x + 1 + x + 2 = - (- 51) : x = 16

x + 1 = 16 + 1 = 17

x + 2 = 16 + 2 = 18

The number : 17

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