a)(1+0,5)^2-(1-0,5)^3=
b)(-1)^3*2^3*(-1/2)^3=
POMOCYY!! DAJE NAJ:D
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b)(-1)^3*2^3*(-1/2)^3= -1 * 8 * (-0,125) = -1
Mam nadzieje, że pomogłam :)