Question

calcule:

a) [3 -5 2 7] + [6 8 9 3] ​
b)
c)
d)

Answer 1

a)

[9 3 11 10]

b)

[–12 6]

[ 7 –4]

c)

[22 5 0]

[ 16 20 –8]

d)

[–1 10 11]

[ 4 12 27]

[30 9 18]