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인기 있는 >

the sum of three consecutive integers is 78

해법

the sum of three consecutive integers is 78

해법

The numbers : 25, 26, 27

솔루션 단계

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 = 78

x + x + 1 + x + 2 = 78

해결 :

x = 25

x + 1 = 25 + 1 = 26

x + 2 = 25 + 2 = 27

The numbers : 25, 26, 27

인기 있는 예

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