Răspuns:
[tex] \sqrt{44 \div \sqrt{11 = 2} } [/tex]
[tex] - \sqrt{63 \div \sqrt{7 = - 3} } [/tex]
1) 1/8
-1/23
10/8
-42/9= -9/42
2/11
-251/634
1/rad 43
1/rad17
2) rad 4= 2
-rad9= -3
-rad 2
