pomocy w zdanian ;
a) (n+2)x(n+3)
b)(x-4)x(x+4)
c)(7+y)x(10-y)
d)(x-y)x(x+y)
e)(ab-1)x(c+1)
f)(r do kwadratu + 8)x(12-n)
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a)
b)
c)
d)
e)
f)