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12/7(√0,1(6)-5/√6+1/2*√6)

Răspuns :

0,1(6)=(16-1)/90=15/90=5/30=1/6
12/7(√1/6-5/√6+1/2√6)=
12/7(1/√6-5/√6+1/2√6)=
12/7[(2-10+1)/2√6]=
12/7(-7/2√6)=se simplifica cu 7 si 2=-6/√6=-6√6/6=-√6