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人気のある >

The sum of three consecutive integers is 78. What are the three integers?

解

The sum of three consecutive integers is 78. What are the three integers?

解

The numbers : 25, 26, 27

解答ステップ

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

解く

x + x + 1 + x + 2 = 78 : x = 25

x + 1 = 25 + 1 = 26

x + 2 = 25 + 2 = 27

The numbers : 25, 26, 27

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