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

Toán Lớp 7: helppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppp -9/x=-x/4

Toán Lớp 7: helppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppp
-9/x=-x/4

Comments ( 2 )

  1. Giải đáp:
    -9/x=-x/4
    ⇔ -2x=-36
    ⇔ x=18
    Vậy S = {18}
    text{~ Học Tốt Nha ~}
     

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

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