`(9/14 ) ². (-7/3) ³`

Question

`(9/14 ) ². (-7/3) ³`

in progress 0
Orla Orla 4 years 2020-10-30T19:02:34+00:00 2 Answers 58 views 0

Answers ( )

  1. Doris
    0
    2020-10-30T19:03:48+00:00
    Reply

    Đáp án:

     ` (9/14)^2 . ( -7/3) ^3 `

    ` = 81/196 . (- 343/27) `

    ` = – 21/4 `

    Giải thích các bước giải:

     

  2. minhkhoi
    0
    2020-10-30T19:04:25+00:00
    Reply

    `(9/14 ) ². (-7/3) ³`

    `= [9²]/[14²] . [-7³]/[3³]`

    `= 81/196 . [-343]/27`

    `= [-21]/4`

    Xin hay nhất !

Leave an answer

Browse

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