Răspunsuri

2014-10-05T18:20:40+03:00
 a) (3√3-4)(3√3+4)= (3√3)^2-4^2= 27-16= 11
b)2-2
√2+1+2√2= 3
c)-6/9+2*3/9= -2/3+2*1/3= -2/3+2/3= 0
(^)-la puterea
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