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

Toán Lớp 6: (4^20-2^20+6^20)/(6^20-3^20+9^20)

Toán Lớp 6: (4^20-2^20+6^20)/(6^20-3^20+9^20)

Comments ( 1 )

  1.  (4^20 – 2^20 + 6^20)/(6^20 – 3^20 + 9^20)
    = (2^20 . 2^20 – 2^20 + 2^20 . 3^20)/(2^20 . 3^20 – 3^20 + 3^20 . 3^30)
    = ( 2^20 . (2^20 – 1 + 3^20))/(3^20 . (2^20 – 1 + 3^20))
    = (2^20 . 1)/(3^20 . 1)
    = 2^20/3^20

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

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