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

Toán Lớp 7: $\frac{10}{19}$ – $\frac{9}{2009}$ tính

Toán Lớp 7: $\frac{10}{19}$ – $\frac{9}{2009}$
tính

Comments ( 1 )

  1. 10/19-9/2009
    =20090/38171-171/38171
    =20090-171/38171
    =19919/38171
    Cho mk xin hay nhất please
    Thank you

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