At a certain fruit stand, the price of an apple is twice the pric

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At a certain fruit stand, the price of an apple is twice the price of an orange. For which of the following combinations of apples and oranges is the total price equal to the total price of 20 oranges?

Indicate all such combinations.

A、2 apples and 16 oranges
B、3 apples and 14 oranges
C、4 apples and 10 oranges
D、6 apples and 8 oranges
E、10 apples and 5 oranges
F、12 apples and 4 oranges

答案：A,B,D

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