Odpowiedź:
[tex]-6-(8,25-6+(-7))=-6-(8,25-6-7)=-6-(8,25-13)=-6-(-4,75)=\\\\=-6+4,75=-1,25\\\\\\-2+(3-6,25-(-2))=-2+(3-6,25+2)=-2+(5-6,25)=-2+(-1,25)=\\\\=-2-1,25=-3,25\\\\\\3,2:(-8)=-0,4\\\\\\-2,2\cdot(-0,1)=2,2\cdot0,1=0,22\\\\\\-3:(-5,4)=3:5,4=3:\frac{54}{10}=3:\frac{27}{5}=\not3^1\cdot\frac{5}{\not27_{9}}=\frac{5}{9}\\\\\\(-0,5)\cdot3,9\cdot(-2)*(-1)=0,5\cdot2\cdot3,9\cdot(-1)=1\cdot3,9\cdot(-1)=-3,9[/tex]
[tex]60:(-1,5)\cdot(-4)=-40\cdot(-4)=160\\\\\\-5\cdot(-6)-(-3)^2=30-9=21\\\\\\7+(12-3\cdot(-5)+5):(-2)=7+(12+15+5):(-2)=7+32:(-2)=7-16=-9\\\\\\-(5-8)^3+(-30)=-(-3)^3-30=-(-27)-30=27-30=-3[/tex]
