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

Toán Lớp 4: A,413+(x+9)=2008 B,26+X* 12=98

Toán Lớp 4: A,413+(x+9)=2008 B,26+X* 12=98

Comments ( 2 )

  1. a) 413 + ( x + 9) = 2008
               ( x + 9) = 2008 – 413
                  x + 9 =1595
                  x       = 1595 – 9
                 x         =1586
    ——————————————–
    b) 26 + x xx 12 = 98
                  x xx 12 = 98 – 26
                  x xx 12 =72
                   x          = 72 : 12
                     x          =6

  2. $a)413+(x+9)=2008$
    $x+9=2008-413$
    $x+9=1595$
    $x=1595-9$
    $x=1586$
    $b)26+x×12=98$
    $x×12=98-26$
    $x×12=72$
    $x=72:12$
    $x=6$
    #Lazy warriors
    @Xin ctrlhn ạ

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