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

Toán Lớp 4: 425 * { y + 175 } – 47200 = 37800

Toán Lớp 4: 425 * { y + 175 } – 47200 = 37800

Comments ( 2 )

  1. $\text{425 × ( y + 175 ) – 47 200 = 37 800}$
    $\text{425 × ( y + 175 ) = 37 800 + 47 200}$
    $\text{425 × ( y + 175 ) = 85 000}$
    $\text{y + 175 = 85 000 : 425}$
    $\text{y + 175 = 200}$
    $\text{y = 200 – 175}$
    $\text{y = 25}$

  2. Giải đáp:
    y = 25
    Lời giải và giải thích chi tiết:
    425 xx (y + 175) – 47200 = 37800
    425 xx (y + 175) = 37800 + 47200
    425 xx (y + 175) = 85000
    y + 175 = 85000 : 425
    y + 175 = 200
    y = 200 – 175
    y = 25
    Vậy x = 25

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