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

Toán Lớp 7: Tính : `c) 2^3 .3^5 .(2/3)^5 . \frac{1}{4^4}` `d) (1/4)^{3} .1/4 .16^3`

Toán Lớp 7: Tính :
c) 2^3 .3^5 .(2/3)^5 . \frac{1}{4^4}
d) (1/4)^{3} .1/4 .16^3

Comments ( 2 )

  1. Lời giải và giải thích chi tiết:
    c)
    2^3 . 3^5 . (2/3)^5 . 1/(4^4)
    = 2^3 . 3^5 . 2^5 : 3^5 : 4^4
    = 2^8 : (2^2)^4
    = 2^8 : 2^8
    = 1
    d)
    (1/4)^3 . 1/4 . 16^3
    = (1/4)^4 . (4^2)^3
    = (1/4)^4 . 4^6
    = 4^6 : 4^4
    = 4^2
    = 16

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