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

Toán Lớp 6: ( – 15 ) × 9 + ( 11 – 25 ) mũ 2 × 4

Toán Lớp 6: ( – 15 ) × 9 + ( 11 – 25 ) mũ 2 × 4

Comments ( 2 )

  1. Giải đáp:
    $=649$
    Lời giải và giải thích chi tiết:
    $\left(-15\right).9+\left(11-25\right)^2.4$
    $=\left(-15\right).9+\left(-14\right)^2.4$
    $=\left(-15\right).9+196.4$
    $=-135+196.4$
    $=-135+784$
    $=649$

  2. ( – 15 ) × 9 + ( 11 – 25 )^2 × 4
    =-135 + ( -14 )^2 × 4
    =-135 + 196 × 4
    =-135+784
    =649

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