Question

calcule
A) (-11,86)+(-15,2)
B)(+43,39)+(-22,91)
C)(-5,8)+(+16,29)
D)(-19,33)+(-29,78)

Answer 1

A) (-11,86)+(-15,2) = -13,32
B)(+43,39)+(-22,91)= -21,48
C) (-5,8)+(+16,29)= +11,49
D) (-19,33)+(-29,78)= -10,45