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

Toán Lớp 7: $\frac{7}{3}$+$\frac{-4}{7}$-$\frac{4}{3}$+$\frac{-10}{3}$ help me

Toán Lớp 7: $\frac{7}{3}$+$\frac{-4}{7}$-$\frac{4}{3}$+$\frac{-10}{3}$
help me

Comments ( 2 )

  1. 7/3 + -4/7 + -4/3 + -10/3

    = (7/3-4/3+ -10/3)+(-4/7)

    = ({7-4-10}/3)+(-4/7)

    = -7/3 + (-4/7)

    = -49/21 + (-12/21)

    = -({49+12}/21)

    = -61/21

  2. Giải đáp+Lời giải và giải thích chi tiết:

    7/3 +(-4)/7 -4/3 +(-10)/3

    =(7/3 -4/3 -(10)/3 )-4/7

    =(-7)/3 -4/7

    =(-61)/21

     

     

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