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人気のある Word Problems >

Three consecutive odd integers have a sum of 27. What are the integers?

解

T h ree co n sec u t i v e o dd in t e g ers ha v e a s u m o f 27. Wha t a re t h e in t e g ers ?

解

The numbers : 7, 9, 11

解答ステップ

Represent the numbers with

x

:

First number : x

Consecutive number 1 : x + 2

Consecutive number 2 : x + 4

A.T.Q.:

x + x + 2 + x + 4 = 27

解く

x + x + 2 + x + 4 = 27 : x = 7

x + 2 = 7 + 2 = 9

x + 4 = 7 + 4 = 11

The numbers : 7, 9, 11

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