Oblicz zapisując każdy krok:(\sqrt{5}-\sqrt{3})*(\sqrt{15}+\sqrt{12})
(V5-V3)(V15+V12)=V75+V60-V45-V36=V(25*3)+V(4*15)-V(9*5)-V36=
=5V3+2V15-3V5-6
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(V5-V3)(V15+V12)=V75+V60-V45-V36=V(25*3)+V(4*15)-V(9*5)-V36=
=5V3+2V15-3V5-6