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

Toán Lớp 6: A=(9/2-21/4.58/55) ³.25/36+17/10

Toán Lớp 6: A=(9/2-21/4.58/55) ³.25/36+17/10

Comments ( 2 )

  1. Giải đáp:
    A=($ \frac{9}{2} $ -$\frac{21}{4}$×$\frac{58}{55}$)³×$\frac{25}{36}$+$\frac{17}{10}$
    A=($\frac{9}{2}$ -$\frac{609}{110}$)³×$\frac{25}{36}$+$\frac{17}{10}$
    A=($\frac{-57}{55}$ )³×0,7+1,7
    A= -1,113×0,7+1,7
    A=-0,78+1,7
    A=0,927

  2. A = (9/2−21/4 × 58/55)^3 × 25/36 + 17/10
    A= (9/2−609/110)^3 × 25/36 + 17/10
    A= (−57/55)^3 × 0,7 + 1,7
    A= (−1,113) × 0,7 + 1,7
    A= (−0,78) + 1,7
    ⇒A=0,927
     

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

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