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

Toán Lớp 6: (13^12+13^14+13^16):13^10+13^12+13^14

Toán Lớp 6: (13^12+13^14+13^16):13^10+13^12+13^14

Comments ( 2 )

  1. @Ngu
    (13^12 + 13^14 + 13^16) : (13^10 + 13^12 + 13^14)
    = (13^12 + 13^14 + 13^16) . 1/(13^10 + 13^12 + 13^14)
    = (13^2 . (13^10 + 13^12 + 13^14))/(13^10 + 13^12 + 13^14)
    = 13^2
    = 13 . 13
    = 169

  2. Giải đáp:
    =169
    Lời giải và giải thích chi tiết:
    (13^12+13^14+13^16):(13^10+13^12+13^14)
    =(13^12+13^14+13^16) . 1/(13^10+13^12+13^14)
    =(13^12+13^14+13^16)/(13^10+13^12+13^14)
    =(13^2 (13^10+13^12+13^14))/(13^10+13^12+13^14)
    =13^2=169

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