calculați: 1
a)
[tex]2 \sqrt{3} - 4 \sqrt{2} - 5 \sqrt{3} - 3 \sqrt{2 } = [/tex]
b)
[tex]4 \sqrt{5} - 2 \sqrt{7} - \sqrt{5} - \sqrt{7} = [/tex]
c)
[tex]3 \sqrt{5} - 2 \sqrt{2} - 4 \sqrt{5} - 5 \sqrt{2} = [/tex]
d)
[tex]4 \sqrt{7} - 5 \sqrt{3} + \sqrt{7} + \sqrt{3} = [/tex]
2
a)
[tex]3 \sqrt{8} - 2 \sqrt{27} - \sqrt{32} + 5 \sqrt{12} = [/tex]
b)
[tex]3 \sqrt{20} + 3 \sqrt{18} - 2 \sqrt{45} - 2 \sqrt{50} = [/tex]
c)
[tex]4 \sqrt{32} - 5 \sqrt{27} + 2 \sqrt{12} - 5 \sqrt{8} = [/tex]
d)
[tex]2 \sqrt{20} - 3 \sqrt{12} - 5 \sqrt{45} + \sqrt{27} = [/tex]
va rog dau coroanaaa​