Usuń niewymierność z mianownika ułamka piętrowego : a) (3√27 + 3 ) : 2√3
(3√27+3) : 2√3=
(3√9*3+3)*2√3
___________ =
2√3*2√3
____________ =
12
(9√3+3)*2√3
54+6√3
______ = 54/12 + √3/2 = 4,5+ √3/2
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(3√27+3) : 2√3=
(3√9*3+3)*2√3
___________ =
2√3*2√3
(3√9*3+3)*2√3
____________ =
12
(9√3+3)*2√3
___________ =
12
54+6√3
______ = 54/12 + √3/2 = 4,5+ √3/2
12