Usuń niewymierność z mianownika:
a)8/√2
b)√2/5√3
d)1+√2/3+√2
f)6+2√7/0,5√7
a)8/√2=8√2/2=4√2
b)√2/5√3 =√2·√3/5√3·√3=√6/15
d)(1+√2)/ (3+√2) =(1+√2)(3-√2) /(3+√2)(3-√2)=(3+3√2-√2-2) /(9-2)=2√2+1/7
f)6+2√7 /(0,5√7)=6/( 0,5√7) + 2√7 /( 0,5√7 ) =12/√7 +4=(12√7) /7 +4=
1⁵/₇√7+ 4
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a)8/√2=8√2/2=4√2
b)√2/5√3 =√2·√3/5√3·√3=√6/15
d)(1+√2)/ (3+√2) =(1+√2)(3-√2) /(3+√2)(3-√2)=(3+3√2-√2-2) /(9-2)=2√2+1/7
f)6+2√7 /(0,5√7)=6/( 0,5√7) + 2√7 /( 0,5√7 ) =12/√7 +4=(12√7) /7 +4=
1⁵/₇√7+ 4