Question

3) Calcule

a) (−

2

3

) . (−

3

4

)

b) (−

6

7

) . (+

1

3

)

c) (+

10

6

) . (+

3

5

)​

Answer 1

Resposta:

a) (−23) . (−34) = +782

b) (−67) . (+13)= -871

c) (+106) . (+35) = +3710