Question

Calculati:
a) 1,2(3)+3,2(3)-4,4(6)
b)5,2(1)+6,2(1)-11,4(2)

Answer 1

a) 1,2(3)+3,2(3)-4,4(6)=111/90+291/90-402/90=402/90-402/90=0
1,2(3)=(123-12)/90=111/90
3,2(3)=(323-32)/90=291/90
4,4(6)=(446-44)/90=402/90

b)5,2(1)+6,2(1)-11,4(2) =469/90+559/90-1028/90=1028/90-1028/90=0
5,2(1)=(521-52)/90=469/90
6,2(1)=(621-62)/90=559/90
11,4(2) =(1142-114)/90=1028/90