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222-9+11+12:2*14+14 = ? ( )

Toán Lớp 6: cho mik hỏi : (x-5)tất cả mũ 5 + 6=38

Toán Lớp 6: cho mik hỏi :
(x-5)tất cả mũ 5 + 6=38

Comments ( 2 )

  1. (x-5)^5 +6=38
    (x-5)^5=38-6
    (x-5)^5=32
    (x-5)^5=2^5
    =>x-5=2
    =>x=2+5
    =>x=7
    Vậy x=7

  2. $(x-5)^5+6=38$
    $->(x-5)^5=38-6$
    $->(x-5)^5=32$
    $->(x-5)^5=2^2$
    $->x-5=2$
    $->x=7$
    Vậy x=7
    Chúc bạn học tốt !!!!!!
     

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222-9+11+12:2*14+14 = ? ( )

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