the mean of six numbers is 12.five of the numbers are 11,7,21,14 and 9.calculate the sixth number​

Question

the mean of six numbers is 12.five of the numbers are 11,7,21,14 and 9.calculate the sixth number​

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Ngọc Diệp 5 months 2021-08-18T09:00:40+00:00 1 Answers 2 views 0

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    2021-08-18T09:02:13+00:00

    Answer:

    10

    Step-by-step explanation:

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )