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人気のある Word Problems >

The sum of two numbers is 60 and their 差 is 30.

解

T h e s u m o f tw o n u mb ers i s 60 an d t h e i r d i ff ere n ce i s 30.

解

The numbers : 45, 15

解答ステップ

Represent the numbers with

x and y

:

number 1 : x

number 2 : y

A.T.Q.:

x + y = 60

x - y = 30

x + y = 60, x - y = 30 : x = 45, y = 15

The numbers : 45, 15

人気の例

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