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

Toán Lớp 5: 262 – ( 254 : x -3 ) : 2 = 200

Toán Lớp 5: 262 – ( 254 : x -3 ) : 2 = 200

Comments ( 2 )

  1. $\text{262 – (254 : x – 3) : 2 = 200}$
    $\text{(254 : x – 3) : 2 = 262 – 200}$
    $\text{(254 : x – 3) : 2 = 62}$
    $\text{254 : x – 3 = 62 × 2}$
    $\text{254 : x – 3 = 124}$
    $\text{254 : x = 124 + 3}$
    $\text{254 : x = 127}$
    $\text{x = 254 : 127}$
    $\text{x = 2}$
    $\text{Vậy x = 2}$

  2. Lời giải chi tiết:
    262-(254:x-3):2=200
    (254:x-3):2=262-200
    (254:x-3):2=62
    254:x-3=62xx2
    254:x-3=124
    254:x=124+3
    254:x=127
    x=254:127
    x=2
    Vậy x=2
    @uniquetimehunter

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

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