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人気のある Word Problems >

証明する that the product of the two consecutive integers is divisible by 2

解

p ro v e t ha t t h e p ro d u c t o f t h e tw o co n sec u t i v e in t e g ers i s d i v i s ib l e b y 2

解

The numbers : 1, 2 or - 2, - 1

解答ステップ

Represent the numbers with

x

:

First number : x

Consecutive number : x + 1

A.T.Q.:

x (x + 1) = 2

解く

x (x + 1) = 2 : x = 1, x = - 2

挿入

x = 1 : 2

挿入

x = - 2 : - 1

The numbers : 1, 2 or - 2, - 1

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