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

Toán Lớp 5: 70-5.(x-3)=45 Lưu ý : CẤM CHÉP MẠNG

Toán Lớp 5: 70-5.(x-3)=45
Lưu ý : CẤM CHÉP MẠNG

Comments ( 2 )

  1. 70 – 5. (x – 3) =45
    5. (x – 3) =70 – 45
    5. (x – 3) = 25
    x – 3 = 25 : 5
    x – 3 = 5
    x =5+3
    x =8
                        Vậy x =8

  2. 70-5.(x-3)=45
          5.(x-3)=70-45
          5.(x-3)=25
               x-3=25:5           
               x-3=5
                  x=5+ 3
                  x=8
             vậyx=8
    Cho mình CTLHN nha
     

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