Odpowiedzi

2010-03-28T12:01:00+02:00
A) 2x = 6
1x=3
3x=9


b) a + 3 = 5
a+1=3
a-1=1
2010-03-28T12:01:53+02:00
2010-03-28T12:05:39+02:00
A)1x=3
6x=18
12x=36
3x+2x+x=18

b)a+6=11
a+12=17