Question

2. resouva as multiplicações e as divisões
a) ( + 9 ) . ( – 7 ) =
b) 5. ( –16) . 8=
c) ( + 50 ) : ( + 5) =
d) ( – 81) : ( + 27) =​

Answer 1

A) -63
B) -640
C) 10
D) -3