Oblicz :
( 2,5 -2 ⅓ )² - (-⅓)³ : ⅔ =
( 2,5 -2 ⅓ )² - (-⅓)³ : ⅔ =(2 i 1/2-2 i 1/3)^2-1/27=(2 i 3/6-2 i 2/6)^2-1/27=
1/6^2-1/27=1/36-1/27=27/972-36/972=-9/972=-1/108
(2,5-2 1/3)do2-(-1/3)do3:2/3=(2 1/2-2 1/3)do2-(-1/27)*3/2=(2 3/6-2 2/6)do2-
-(-1/18)=(1/6)do2-(-1/18)=1/36-(-2/36)=1/36+2/36=3/36=1/12
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( 2,5 -2 ⅓ )² - (-⅓)³ : ⅔ =(2 i 1/2-2 i 1/3)^2-1/27=(2 i 3/6-2 i 2/6)^2-1/27=
1/6^2-1/27=1/36-1/27=27/972-36/972=-9/972=-1/108
(2,5-2 1/3)do2-(-1/3)do3:2/3=(2 1/2-2 1/3)do2-(-1/27)*3/2=(2 3/6-2 2/6)do2-
-(-1/18)=(1/6)do2-(-1/18)=1/36-(-2/36)=1/36+2/36=3/36=1/12