Tìm x A, (x – 1/2)2=4/5 B, x-1/2=5/6 C, (x+1/3)5=1/243

Question

Tìm x
A, (x – 1/2)2=4/5
B, x-1/2=5/6
C, (x+1/3)5=1/243

in progress 0
Cherry 5 years 2020-10-25T16:14:44+00:00 2 Answers 91 views 0

Answers ( )

  1. Farah
    0
    2020-10-25T16:16:25+00:00
    Reply

    (x – 1/2)2=4/5

    x – 1/2 = 4/5 ÷ 2

    x – 1/2 = 2/5

    x = 2/5 + 1/2

    x  = 9/10

    _______________________________________

    x – 1/2 = 5/6

    x = 5/6 + 1/2

    x = 4/3

    _______________________________________

    (x + 1/3)5 = 1/243

    (x + 1/3) = 1/243 ÷ 5

    (x + 1/3) = 1/1215

    x = 1/1215 – 1/3

    x = bạn tự tính nha

  2. Helga
    0
    2020-10-25T16:16:32+00:00
    Reply

    Đáp án:như hình ạ

     

    Giải thích các bước giải:

     (Chúc bạn học tốt)

    câu c kết quả là -404/1215 nha????????????

    tim-a-1-2-2-4-5-b-1-2-5-6-c-1-3-5-1-243

Leave an answer

Browse

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