Oblicz:
a) 2 i 2/3 - 1 i 1/4 * (-12) - (-5) + (-21) * 2=
b) 4 do drugiej potęgi - 5 * 2,4 + 9 + (-18) : (+- 1/3)=
c) 3 do drugiej potęgi - 5 do drugiej potęgi * (-1) + 3 * 2 do trzeciej potęgi=
d) 3 i 1/3 - 1/3 * 6 +4=
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a) 2 i 2/3 - 1 i 1/4 * (-12) + (-21) * 2= 2 i 2/3 - (-15) + 42= 18 i 2/3 + 42= 60 i 2/3
c) 3^2 - 5^2 * (-1) + 3 * 2^3= 9 - (-25) + 12= (-34) + 12= (-22)
d) 3 i 1/3 - 1/3 * 6 + 4= 3 i 1/3 -2 + 4= 6 i 1/3