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

Toán Lớp 6: Tính nhanh 4/5 . 9/17 . 15/8 .17/36 Nhanh

Toán Lớp 6: Tính nhanh
4/5 . 9/17 . 15/8 .17/36
Nhanh

Comments ( 2 )

  1. $\frac{4}{5}$ . $\frac{9}{17}$ . $\frac{15}{8}$ . $\frac{17}{36}$
    = ($\frac{4}{5}$ . $\frac{15}{8}$) . ($\frac{9}{17}$ . $\frac{17}{36}$ )
    = $\frac{3}{2}$ . $\frac{1}{4}$
    = $\frac{3}{8}$ 
    Hay nhất !!^^

  2. 4/(5).(9)/(17).(15)/(8).(17)/(36)
    =(4/(5).(15)/(8)).((9)/(17).(17)/(36))
    =3/(2).(1)/(4)
    =3/8

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

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