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(0,125)^-2=(1000\125)^2=1000000\15625 { nie jestem pewien }
-3^0=1
(-2)^2=4
-0.4^2= -0.16
(2^2 x 2^2) : 2^4= 2^4 : 2^4= 2^0= 1
[(1\3)^2 : (1\3)^0]^2= [1\9 : 1]^2= 1\81
(-1)^100 x (-1)^200= (-1)^300= 1