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2013-04-17T19:23:31+02:00

Programme A = x-10 x(-3)-(xx2)

programme B = x+(-5)x6=y ; -y+x=z

Si x = 5 : a = 25

                b = -25; 25+5= 30

Si x= 20 : a = 10

                  b = -10; 10 + 10 = 20

Si = 100 : a = -70

                   b = 70; -70+100 = 30