1)(-12,56)+6,567=-5,993
2)25,36+(-16,656)=8,704
3)(-23,652)+(-5,2313)=-28,8833
4)(-56,266)+73,261=16,995
5)(-22,6)-(-1,006)=-21,594
6)156,4-(-269,8)=426,2
7)-562,5-(-236,707)=-325,793
8)-562,45-123,2566=-685,7066
