1、-5*(-19/6)-(-6)*19/6+19/6
=5*19/6+6*19/6+19/6
=19/6*(5+6+1)
=19/6*12
=19*2
=38
2、7/10*176/9+11/4*(-14)+7/10*4/9-14*13/4
=7/10*(176/9+4/9)-14*(11/4+13/4)
=7/10*180/9-14*24/4
=7/10*20-14*6
=7*2-14*6
=14-14*6
=14*(1-6)
=14*(-5)
=-70
1、-5*(-19/6)-(-6)*19/6+19/6
=5*19/6+6*19/6+19/6
=19/6*(5+6+1)
=19/6*12
=19*2
=38
2、7/10*176/9+11/4*(-14)+7/10*4/9-14*13/4
=7/10*(176/9+4/9)-14*(11/4+13/4)
=7/10*180/9-14*24/4
=7/10*20-14*6
=7*2-14*6
=14-14*6
=14*(1-6)
=14*(-5)
=-70