Răspunsuri

2014-08-28T14:38:26+03:00
1.
a-b=3 \sqrt{3} -9 \sqrt{6}
a+b=5 \sqrt{3} +5 \sqrt{6}
2.
a+b=3 \sqrt{5} +10 \sqrt{7}
a-b=4 \sqrt{3} +3 \sqrt{5}
 
Mai poti da factor comun daca doresti.