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

Toán Lớp 7: 2^3+3.(1/2)^0-2^-2.4+8.[(-2)^2):1/2

Toán Lớp 7: 2^3+3.(1/2)^0-2^-2.4+8.[(-2)^2):1/2

Comments ( 1 )

  1. Lời giải và giải thích chi tiết:
    2^3 + 3 . (1/2)^0 – 2^(-2) . 4 + 8 . [(-2)^2] : 1/2
    = 2^3 + 3 . 1 – 1/4 . 4 + 8 . 4 : 1/2
    = 8 + 3 – 1 + 16
    = 26

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