(-2 2/3) :1,2=
(-2 2/3) -1,2=
2/3:(-6)=
2/3-(-6)=
(- 0,45) - 1 4/5=
(-0,45)- 1 4/5=
(-2,75):(-2,2)=
(-2,75)-(-2,2)=
(-3,5):(-1 2/5)=
(-3,5)-(- 1 2/5)=
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-2 2/3:1,2=-8/3:1 1/5=-8/3:6/5=-8/3*5/6=-40/18=-20/9=-2 i 2/9
-2 2/3-1,2=-8/2-6/5=-40/10-12/10=-52/10=-5 2/10=-5 1/5
2/3: (-6) = 2/3:(-6/1)=2/3*(-1/6)=-1/9
2/3-(-6)=2/3-(-6/1)=2/3-(-18/3)=2/3+18/3=20/3=6 2/3
-0,45:1 4/5=-9/20:9/5=-9/20*5/9=-1/4
-0,45-1 4/5=-9/20-9/5=-9/20-36/20=-45/20=-2 5/20=-2 1/4
-2,75:(-2,20)=-2 3/4: (-2 1/5)=-11/4:(-11/5)=-11/4*(-5/11)=5/4=1 1/5
-2,75-(-2,20)=-2 3/4-(-2 1/5)=-11/4-(-11/5)=-55/20+44/20=-11/20
-3,5:(-1 2/5)=-3 1/2 : (-1 2/5)= -7/2:(-7/2)=-7/2*(-2/7)=1
-3,5-(-1 2/5)=-3 1/2 - (-1 2/5)= -7/2+7/2=0