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

Toán Lớp 6: tim số nguyên x biết b 5 – ( x – 1 ) = 12 – 16 c ( x – 14 ) + ( – 22 ) = -6 -12

Toán Lớp 6: tim số nguyên x biết
b 5 – ( x – 1 ) = 12 – 16
c ( x – 14 ) + ( – 22 ) = -6 -12

Comments ( 1 )

  1. b)5 – ( x – 1 ) = – 4
      x – 1 = 5 – (- 4 )
      x – 1 = 9
     x = 9 + 1 = 10
     c) ( x – 14 ) + ( -22 ) = -18
      x – 14 = – 18 + ( -22 )
      x – 14 = -40
          x = ( -40 ) + 14
          x = -26
    Xin hay nhất và 5 sao ạ!!!

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

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