Odpowiedzi

2010-02-04T18:11:40+01:00
(xy)²*2x=2x³y²
3ty*⅓t=t²y
4a²*2ab=8a³b
[3xt*(-t)]*(2x)²=-3xt²*4x²=-12x²t²=-12(xt)²
[4(yb)²*½y]*(-5b)=2y³b²*(-5b)=-10y³b³=-10(by)³
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