giúp mik vs, thanks trước

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giúp mik vs, thanks trước
giup-mik-vs-thanks-truoc

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Minh Khuê 2 years 2021-04-21T04:16:09+00:00 1 Answers 5 views 0

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  1. thnahdat
    0
    2021-04-21T04:17:49+00:00
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    +)= 25.(9-17)/-8.(80-10)
    =25.(-8)/-8. 70
    =25/70=5/14

    +) =48.(12-15)/-3.(370-30)
    =48.(-3)/-3.340
    =48/340=12/85

    5/18=5.25/18.25=125/450

    12/85=12.18/85*18=72/450

    ok 5* nha 

     

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