Odpowiedzi

2010-03-04T20:07:29+01:00
1.4a+4b = 4(a+b)
2. 3x +15y= 3(x+5y)
3. 7x+14y= 7(x+2y)
4. 17x kwadrat - 17 = 17(xkwadrat -1)
5. bc-bd= b(c-d)
6. xy-3x=x(y-3)
7. py-p=p(y-1)
8. 9xy-y=y(9x-1)
9 ab+3b kwadrat =b(a+3b)

Liczę na naj ;)
2010-03-04T20:09:20+01:00
4a+4b = 4(a+b)
3x + 15y = 3(x+5y)
7x + 14y = 7(x+2y)
17x2 - 17 = 17(x2 -1)
bc-bd = b(c-d)
xy-3x = x(y+3)
py-p = p(y-1)
9xy - y = y (9x - 1)
ab + 3b2 = b ( a + 3b)
2010-03-04T20:20:26+01:00
1. 4(a+b)
2. 3(x+5y)
3. 7(x+2y)
4. 17(x kwadrat -1)
5. b(c+1+d)
6. x(+1+y-2x)
7.p(y+1)
8.y(9x-1)
9.b(a+3)