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人気のある Word Problems >

Three consecutive integers have a sum of 57 . Find the integers.

解

T h ree co n sec u t i v e in t e g ers ha v e a s u m o f 57 . F in d t h e in t e g ers .

解

The numbers : 18, 19, 20

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 = 57

解く

x + x + 1 + x + 2 = 57 : x = 18

x + 1 = 18 + 1 = 19

x + 2 = 18 + 2 = 20

The numbers : 18, 19, 20

人気の例

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