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

Toán Lớp 6: 1 câu thôi nhé (-14) – x + (-15) = -10 Hỏi x bằng bao nhiêu?

Toán Lớp 6: 1 câu thôi nhé
(-14) – x + (-15) = -10
Hỏi x bằng bao nhiêu?

Comments ( 2 )

  1. (-14)-x+(-15)=-10
    (-29)-x=-10
    x=-29+10
    x=-19
    Vậy x=-19.

  2. -14 – x + ( – 15 ) = -10
    <=> -14 – x – 15 = -10
    <=> – 29 – x = -10
    <=> x  = 19

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

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