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

Toán Lớp 6: 3/5x-2/3=1/2 1/2+1/3+1 mu 1145

Toán Lớp 6: 3/5x-2/3=1/2
1/2+1/3+1 mu 1145

Comments ( 2 )

  1. 3/5x-2/3=1/2
    3/5x=1/2+2/3
    3/5x=3/6+4/6=7/6
    x=7/6:3/5=7/6.5/3=35/18
    1/2+1/3+1^1145
    =3/6+2/6+1
    =5/6+1
    =11/6

  2. Giải đáp:
     
    Lời giải và giải thích chi tiết:
    a)
    3/5x – 2/3 = 1/2
    3/5x = 1/2 + 2/3
    3/5x = 3/6 + 4/6
    3/5x = 7/6
    x = 7/6 ÷ 3/5
    x = 7/6 × 5/3
    x = 35/18
    b)
    1/2 + 1/3 + 1^{1145}
    = 3/6 + 2/6 + 1
    = 5/6 + 1
    = 5/6 + 6/6
    = 11/6

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