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

Toán Lớp 1: a/5+6+2+= b/5-x=2 c/2+5-6

Toán Lớp 1: a/5+6+2+=    b/5-x=2    c/2+5-6

Comments ( 2 )

  1. a) 5 + 6 + 2 = 11 + 2 = 13
    b) 5 – x = 2
    x = 5 – 2
    x = 3
    c) 2 + 5 – 6 = 7 – 6 =1

  2.  
    Lời giải và giải thích chi tiết:
    a/5+6+2=11+2=13
    b/5-x=2
                  x   =5 – 2 
                 x    =3
    c/2+5-6=7-6=1

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