Odpowiedzi

2009-12-15T15:10:46+01:00
2*[1.6*1.4]+2*[1.6*x]+2*[1.4*x]=11.68
4,48+3,2x+2,8x=11,68
6x=7,2
x=1,2
1 4 1
2009-12-15T15:11:10+01:00
2*[1.6*1.4]+2*[1.6*x]+2*[1.4*x]=11.68
2*2,24+3,2x+2*1,4x=11.68
4,48+3,2x+2,8x=11,68
6x=7,2
x=1,2
Prosze :)
2009-12-15T15:47:20+01:00
2*( 1,6*1,4)+2*(1,6*x)+2*(1,4*x)=11,68
2*2,24+3,2*x+2,8*x=11,68
4,48+6x=11,68

to 6x=7,2
x=1,2