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

Toán Lớp 7: Kết quả của phép tính (2/5)^2008 : (4/25)^1004

Toán Lớp 7: Kết quả của phép tính (2/5)^2008 : (4/25)^1004

Comments ( 2 )

  1. (2/5)^2008 : (4/25)^1004
    = [(2/5)^2]^1004 : (4/25)^1004
    = (4/25)^1004 : (4/25)^1004
    = (4/25 : 4/25)^1004
    = 1^1004
    =1

  2. (2/5)^{2008}:(4/(25))^{1004}
    =(2/5)^{2008}:(2/5)^{2008}
    =(2/5)^{2008-2008}
    =(2/5)^0
    =1
     

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

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