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

Toán Lớp 4: $\frac{1}{2}$+$\frac{2}{3}$+ $\frac{3}{4}$+ $\frac{4}{5}$+ ($\frac{5}{6}$) GIúp mình nha

Toán Lớp 4: $\frac{1}{2}$+$\frac{2}{3}$+ $\frac{3}{4}$+ $\frac{4}{5}$+ ($\frac{5}{6}$)
GIúp mình nha

Comments ( 2 )

  1. #kisicute
    1/2 + 2/3 + 3/4 + 4/5 + ( 5/6 )
    = $\dfrac{30 + 40 + 45 + 48 + 50}{60}$
    = 213/60
    = 71/20
    ( bài tham khảo )

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

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