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The sum of the two numbers is 22, and the product of these two numbers is 120. What are the numbers?

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解答

Thesumofthetwonumbersis22,andtheproductofthesetwonumbersis120.Whatarethenumbers?

解答

Thenumbers:12,10
求解步骤
Represent the numbers with xandy:
number1:x
number2:y
A.T.Q.:
x+y=22
xy=120
x+y=22,xy=120:(x=12,y=10x=10,y=12​)
Discard duplicated solutions
Thenumbers:12,10

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