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

Toán Lớp 8: 11x/2x-3 – x-18/3-2x Xin giúp mình vs ạ

Toán Lớp 8: 11x/2x-3 – x-18/3-2x
Xin giúp mình vs ạ

Comments ( 2 )

  1. Giải đáp + Lời giải và giải thích chi tiết:
     (11x)/(2x-3) – (x-18)/(3-2x)
    = (-11x)/(3-2x) – (x-18)/(3-2x)
    = (-11x-x+18)/(3-2x)
    = (18-12x)/(3-2x)
    = (6(3-2x))/(3-2x)
    = 6

  2. [11x]/[2x-3] – [x-18]/[3-2x]
    =[11x]/[2x-3] + [x-18]/[2x-3]
    =[11x+x-18]/[2x-3]
    =[12x-18]/[2x-3]
    =[6(2x-3)]/[2x-3]
    =6
     

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

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