Oblicz:
c) (1/3-1/5) do -3 podzielic (1/5+1/3) do -3
Legenda:
/-kreska ułamkowa
-3 potega
c)=(5/15-3/15)⁻³:(3/15+5/15)⁻³=(2/15)⁻³:(8/15)⁻³=(2/15:8/15)⁻³=(1/4)⁻³=64
(1/3-1/5) do -3 podzielic (1/5+1/3) do -3=
=(5/15-3/15) ⁻³:(5/15+3/15)⁻³=
=(2/15)⁻³:(8/15)⁻³=
=(15/2)³:(15/8)³=
= 3375/8:3375/512=
=3375/8*512/3375=512/8= 64
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c)=(5/15-3/15)⁻³:(3/15+5/15)⁻³=(2/15)⁻³:(8/15)⁻³=(2/15:8/15)⁻³=(1/4)⁻³=64
(1/3-1/5) do -3 podzielic (1/5+1/3) do -3=
=(5/15-3/15) ⁻³:(5/15+3/15)⁻³=
=(2/15)⁻³:(8/15)⁻³=
=(15/2)³:(15/8)³=
= 3375/8:3375/512=
=3375/8*512/3375=512/8= 64
licze na naj