Răspuns: Ai rezolvarea mai jos pentru fiecare sub-punct in parte
Explicație pas cu pas:
Salutare!
(J)
[tex]\bf \sqrt{24}:\sqrt{2}-12\sqrt{60} :2\sqrt{5} +4\cdot2\sqrt{3} =[/tex]
[tex]\bf \sqrt{24:2}-24\sqrt{15}:2\sqrt{5} +8\sqrt{3} =[/tex]
[tex]\bf \sqrt{12}-12\sqrt{15:5} +8\sqrt{3} =[/tex]
[tex]\bf 2\sqrt{3}-12\sqrt{3} +8\sqrt{3} =[/tex]
[tex]\boxed{\bf -2\sqrt{3} }[/tex]
(K)
[tex]\bf \sqrt{90}:\sqrt{10} \cdot \sqrt{11} =[/tex]
[tex]\bf \sqrt{90:10} \cdot \sqrt{11} =[/tex]
[tex]\bf \sqrt{9 \cdot 11} =[/tex]
[tex]\boxed{\bf 3\sqrt{11}}[/tex]
(L)
[tex]\bf \sqrt{2}(3\sqrt{5} -\sqrt{2})-\sqrt{5}(2\sqrt{2} -4\sqrt{5})=[/tex]
[tex]\bf 3\sqrt{5\cdot2} -\sqrt{2\cdot2}-2\sqrt{2\cdot5} +4\sqrt{5\cdot5}=[/tex]
[tex]\bf 3\sqrt{10} -2-2\sqrt{10} +4\cdot 5=[/tex]
[tex]\bf \sqrt{10} -2+20=[/tex]
[tex]\boxed{\bf \sqrt{10} +18}[/tex]
==pav38==
