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受欢迎的 Word Problems >

the product of two positive consecutive integers is 72. Find the integers

解答

t h e p ro d u c t o f tw o p os i t i v e co n sec u t i v e in t e g ers i s 72. F in d t h e in t e g ers

解答

The numbers : 8, 9

求解步骤

Represent the numbers with

x

:

First number : x

Consecutive number : x + 1

A.T.Q.:

x (x + 1) = 72

解

x (x + 1) = 72 : x = 8, x = - 9

Select positive solutions:

8

x + 1 = 8 + 1 = 9

The numbers : 8, 9

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