1.Oblicz
⁶√64 - ₆√1/64 - ³√1/64
2.Wykonaj działanie
(3-√7)(2+2√7)
Daje naj
⁶√64 - ₆√1/64 - ³√1/64=⁶√2⁶ - ⁶√(1/2)⁶ - ³√(1/4)³=2 - 1/2 -1/4=
=8/4 - 2/4 - 1/4=5/4
------------------------
(3-√7)(2+2√7)=6-2√7+6√7-2*7=4√7-8
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⁶√64 - ₆√1/64 - ³√1/64=⁶√2⁶ - ⁶√(1/2)⁶ - ³√(1/4)³=2 - 1/2 -1/4=
=8/4 - 2/4 - 1/4=5/4
------------------------
(3-√7)(2+2√7)=6-2√7+6√7-2*7=4√7-8