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2) 3√150-√24-2√96=3√6·25-√6·4-2√16·6=3·9√6-2√6-2·4√6=15√6-2√6-8√6=5√6
3) √80-√99-√125-√44=√16·5-√9·11-√25·5-√4·11=4√5-3√11-5√5-2√11=-√5-5√11
4) 6√8+7√28-2√18-3√63=6√4·2+7√4·7-2√9·2-3√9·7=6·2√2+7·2√7-2·3√2-3·3√7=
=12√2+14√7-6√2-9√7=6√2+5√7
5) -3√11+4√12+2√176-5√48=-3√11+4√3·4+2√16·11-5√16·3=
-3√11+4·2√3+2·4√11-5·4√3=-3√11+8√3+8√11-20√3=5√11-12√3