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2013-03-04T16:11:59+01:00

A=15:(18-15)-2x(9-2)

  = 15:3 - 2 x 7  

  = 5  - 14 = -9

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  • Modératrice confirmée
2013-03-04T16:13:22+01:00

A=15:(18-15)-2x(9-2)

A = 15:3 - 2 x 7  

A = 5  - 14

A = -9