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受欢迎的 Word Problems >

The sum of three consecutive odd integers is 57

解答

T h e s u m o f t h ree co n sec u t i v e o dd in t e g ers i s 57

解答

The numbers : 17, 19, 21

求解步骤

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 = 57

解

x + x + 2 + x + 4 = 57 : x = 17

x + 2 = 17 + 2 = 19

x + 4 = 17 + 4 = 21

The numbers : 17, 19, 21

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