4/5*(-5/13)-(-3/5)*(-5/13)-5/13*(-8/5)
=(-5/13)*(-1/5)=1/13
-3.14乘35.2+6.28乘{-23.3}-1.57乘36.4=
=-110.528-146.324-57.148
=(-314)
4/5*(-5/13)-(-3/5)*(-5/13)-5/13*(-8/5)
=(-5/13)*(-1/5)=1/13
-3.14乘35.2+6.28乘{-23.3}-1.57乘36.4=
=-110.528-146.324-57.148
=(-314)