P=6/5.8+22/8.19+24/19.31+140/31.101=198/101.200

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P=6/5.8+22/8.19+24/19.31+140/31.101=198/101.200

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Kim Chi 5 years 2021-05-16T13:26:09+00:00 2 Answers 32 views 0

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  1. Gerda
    0
    2021-05-16T13:27:17+00:00
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    như ảnh

    p-6-5-8-22-8-19-24-19-31-140-31-101-198-101-200

  2. linhdan
    0
    2021-05-16T13:27:46+00:00
    Reply

    Đáp án:

    6/5.8 + 22/8.19 + 24/19.31 + 140/31.101 + 198/101.200

    =2.(3/5.8+11/8.19+12/19.31+70/31.101+99/101.200)

    =2.(1/5-1/8+1/8-1/19+1/19-1/31+1/31-1/101+1/101-1/200)

    =2.(1/5-1/200)

    =2.(40/200-1/200)

    =2.39/200

    =39/100

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