(-0,73)*1= -0,73*(-1)= (-1)*65.7/8= (-1)*(-0,99)=
(-0,73)*1=-0,73 -0,73*(-1)=0,73 (-1)*65.7/8=-65.7/8=-8,2125 (-1)*(-0,99)=0,99
1) -0.73 2) 0.73 3) -65.7/8 4)0.99