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If the average of four numbers between $1978, 1943, 2020, 2122, 2132$ and $1985$ is $2020,$ what is the average of the other two numbers?
Number Theory BdMO
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If the average of four numbers between $1978, 1943, 2020, 2122, 2132$ and $1985$ is $2020,$ what is the average of the other two numbers?