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

Toán Lớp 5: A,`134` – `x` = `123` B,`x` `xx` 10 = `100` : `5` mn giúp em với ạ

Toán Lớp 5: A,134 – x = 123
B,x xx 10 = 100 : 5
mn giúp em với ạ

Comments ( 2 )

  1. Gửi cậu nò (❁´◡❁)
    a)
    134-x=123
    =>x=134-123
    =>x=11
    Vậy x=11
    $\\$
    b)
    x xx10=100:5
    =>x xx10=20
    =>x=20:10
    =>x=2
    Vậy x=2
     

  2. a,
    134 – x = 123
    x = 134 – 123
    x = 11
    b,
    x × 10 = 100 : 5
    x × 10 = 20
    x = 20 : 10
    x = 2
     

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

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