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

Toán Lớp 6: (5x-25).3+144:2^2=66 giúp mik vs :<

Toán Lớp 6: (5x-25).3+144:2^2=66
giúp mik vs :<

Comments ( 2 )

  1. Giải đáp:
     
    Lời giải và giải thích chi tiết:
     Bn tham khảo ạ

    toan-lop-6-5-25-3-144-2-2-66-giup-mik-vs

  2. (5x-25).3+144:2^2=66
    (5x-25).3+144:4 =66
    (5x-25).3+144 =66.4
    (5x-25).3+144 =264
    (5x-25).3 =264-144
    (5x-25).3 =120
     5x-25 =120:3
     5x-25 =40
      5x =40+25
      5x =65
      5x =65:5
       x =13
     

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