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

Toán Lớp 7: x: $\frac{5}{2}$ $^{2}$ = $\frac{5}{4}$ $^{2}$

Toán Lớp 7: x: $\frac{5}{2}$ $^{2}$ = $\frac{5}{4}$ $^{2}$

Comments ( 1 )

  1. $\color{red}{\text{Conan}}$
    x : (5/2)^2 = (5/4)^3
    x : 5^2/2^2 = 5^3/4^3
    x : 25/16 = 125/64
    x = 125/64 · 25/16
    x = 3125/1024
    Vậy x = 3125/1024
    CHÚC BẠN HỌC TỐT

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