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

Toán Lớp 2: 1 + 1 + 2 + 3 + 5 + 7 + 9 + 8 + 2 + 8 + 5 + 5 = ????

Toán Lớp 2: 1 + 1 + 2 + 3 + 5 + 7 + 9 + 8 + 2 + 8 + 5 + 5 = ????

Comments ( 2 )

  1. text{Giải đáp:}
    1+1+2+3+5+7+9+8+2+8+5+5
    =(1+9)+(5+5)+(2+8)+(7+3)+(8+2)+(1+5)
    = 10 + 10 + 10 + 10 + 10 + 6
    = 10 x 5 + 6
    = 50 + 6
    = 56
    text{Chúc bạn học tốt}
     

  2. 1 + 1 + 2 + 3 + 5 + 7 + 9 + 8 + 2 + 8 + 5 + 5
    = 1+9+5+5+2+8+7+3+8+2+1+5
    = 10 + 10 + 10 + 10 + 10 + 6
    = 10 x 5 + 6
    = 50 + 6
    = 56
     

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