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Oblicz.
8-1/2
2 - -------------
12 + 1/2
2 - 8-½/12+½ = 2 - 7,5/12,5 = 2 - 0,6 = 1,4
8/1-1/2 16/2-1/2 15/2
2- ------------- = 2- -------------- = 2- ----------- = 2- ((15/2)/(25/2)) =
12/1+1/2 24/2+1/2 25/2
=2- ((15/2)*(2/25))= 2- (3*5)=2- 15= -13
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2 - 8-½/12+½ = 2 - 7,5/12,5 = 2 - 0,6 = 1,4
8/1-1/2 16/2-1/2 15/2
2- ------------- = 2- -------------- = 2- ----------- = 2- ((15/2)/(25/2)) =
12/1+1/2 24/2+1/2 25/2
=2- ((15/2)*(2/25))= 2- (3*5)=2- 15= -13