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([tex] \frac{4}{radical12} [/tex] - [tex] \frac{6}{radical27} [/tex] +[tex] \frac{8}{radical32} [/tex]) :√2

Răspuns :

4/√12=4/2√3=2/√3=rationalizam=2√3/3
6/√27=6/3√3=2/√3=2√3/3
8/√32=2/4√2=1/2√2=2√2/8=√2/4
⇒(2√3/3-2√3/3+√2/4):√2=√2/4:√2=√2/4·1/√2=√2/4√2=1/4=0,25