Question

calcule, urgente!!!​

Answer 1

Resposta:

a)8-3

7-6

2-3

=5

1

-1

b)2-0 3-2

1-1 4-5

=2 1

0 -1

c)1-0 2-1 4-2

6-6 3-5 10-1

=1 1 2

0 -2 9