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

Toán Lớp 4: x nhan bon cong sau nhan x bang nam tram bay muoi x nhan nam cong bon nhan x bang chin tram muoi tam

Toán Lớp 4: x nhan bon cong sau nhan x bang nam tram bay muoi x nhan nam cong bon nhan x bang chin tram muoi tam

Comments ( 2 )

  1. \x × 4 + 6 × \x = 570
    \x × (4 + 6) = 570
    \x × 10 = 570
    \x = 570 ÷ 10
    \x = 57
    – Vậy \x = 57
    \x × 5 + 4 × \x = 918
    \x × (5 + 4) = 918
    \x × 9 = 918
    \x = 918 ÷ 9
    \x = 102
    – Vậy \x = 102
    Chúc học tốt!  ^v^
    – Mong bn cho câu trả lời hay nhất + 5* + tym.
     

  2. Bài giải:
    x.4+6.x=570
    x.(4+6)=570
       x.10=570
          x=570:10
          x=57
    x.5+4.x=918
     x.(5+4)=918
         x.9=918
            x=918:9
            x=102
     

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

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