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

Toán Lớp 6: Cho hỏi : `x^8` : `x^7` : x ( x ≠ 0 )

Toán Lớp 6: Cho hỏi : x^8 : x^7 : x ( x ≠ 0 )

Comments ( 2 )

  1. x^8 : x^7 : x = x^(8 – 7 – 1) = x^0 = 1 (x \ne 0)
    text(Vì với mọi x thì) x^0 text(luôn luôn bằng 1)

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

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