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-5/6*(-3/5)*13/5**(-4)=1/2*(-4)*13/5=-2*13/5=-26/5=-5 i 1/5
1/5-1/2*22/5-1/3*14/3-1/3*7/10=1/5-11/5-14/9-7/30=
-2-1i5/9-7/30=-3i5/9-7/30= -3 i 150/270 - 63/270=-3 i 213/270=-3 i 71/90
-1/2*9/10-1/2*1/10-1/2*17/5-1/2*8/5=-1/2*(9/10-1/10-17/5-8/5)=
1/2*( 8/10-25/5)=1/2*(-42/10)=1/2*(8/10-50/10)=1/2*(-42/10)=
1/2*(-21/5)=-21/10=-2 i 1/10=-2.1
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-5/6*(-3/5)*13/5**(-4)=1/2*(-4)*13/5=-2*13/5=-26/5=-5 i 1/5
1/5-1/2*22/5-1/3*14/3-1/3*7/10=1/5-11/5-14/9-7/30=
-2-1i5/9-7/30=-3i5/9-7/30= -3 i 150/270 - 63/270=-3 i 213/270=-3 i 71/90
-1/2*9/10-1/2*1/10-1/2*17/5-1/2*8/5=-1/2*(9/10-1/10-17/5-8/5)=
1/2*( 8/10-25/5)=1/2*(-42/10)=1/2*(8/10-50/10)=1/2*(-42/10)=
1/2*(-21/5)=-21/10=-2 i 1/10=-2.1