Odpowiedzi

2010-02-18T18:31:31+01:00
A/ 4a+4b= 4(a+b)
b/3x+15y=3(x+5y)
c/ 7x + 14y=7(x+2y)
d/17x-17=17(x-1)
e bc - bd= b(c-d)
f xy - 3a=1(xy-3a)
g. py - p=p(y-1)
h 9xy - y=y(9x-1)
i ab =3b=b(a-/+3)
2010-02-18T18:32:20+01:00
A/ 4a+4b =2 (2a+2b)
b/3x+15y = 3(x+5y)
c/ 7x + 14y=7(x+2y)
d/17x-17= 17 (x-1)
e bc - bd = b (c-d)
f xy - 3a = 1 (xy - 3 a)
g. py - p = p (y - 1)
h 9xy - y = y (9x - 1)