Réponses

2013-05-13T18:02:13+02:00

A= 7V12-8+3V27

A= 7V4x3 -8+3V9x3

A= 7-2V3 -8+3x3V3

A=7-2V3-8+9V3

A=5V3+1V3

A=6V3