Sa se calculeze a si b: a)a=6√3+√108-4√75+2√147

b=8√3+33√12-5√27

b)a=3√2+11√7-2√112-√200

b=3√28+2√63-√252-√175

c)a=22√7-√648-√567+2√162

b=3√567-√800+2√200+10√175

1

Răspunsuri

2014-09-16T20:59:07+03:00
A) a=6√3+6√2-20√3+7√3
a=-
√3
b=8
√3+66√3-3√3
b=71
√3
B) a=3
√2+11√7-8√7-10√2
a=-7
√2+3√7
b=6
√7+6√7-6√7-5√7
b=
√7
C) a=22
√7-18√2-9√7+18√2
a=13√7
b=18
√7-20√5+20√5+50√7
b=68
√7




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