Pentru fiecare subpunct te gandesti la radicalul cel mai apropiat (mai mic ca si numarul) care se poate scoate complet.
[tex]a)\sqrt{3} =1.73\\\sqrt{1} <\sqrt{3} <\sqrt{1} +1\\1<\sqrt{3} <2\\\\b)\sqrt{27} =5.196\\\sqrt{25} <\sqrt{27} <\sqrt{25} +1\\5<\sqrt{27} <6\\\\c)\sqrt{150}=12.24\\ \sqrt{144} <\sqrt{150} <\sqrt{144} +1\\12<\sqrt{50}<13\\ \\d)-\sqrt{3}=-1.73\\-\sqrt{4}<-\sqrt{3}<-\sqrt{4}+1\\-2<-\sqrt{3}<-1\\\\e)-\sqrt{20}=-4.47\\-\sqrt{25}<-\sqrt{20}<-\sqrt{25}+1\\-5<-\sqrt{20}<-4\\\\f)-\sqrt{27}=-5.19\\-\sqrt{36}<-\sqrt{27}<-\sqrt{36}+1\\-6<-\sqrt{27}<-5[/tex]
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