Question

Determine :

A) o dobro de ( -1 ) :
( 3 )

B ) o triplo dá soma ( + 1 ) + ( - 1 ) .
( 3 ) ( 2 )

Answer 1

A) o dobro de ( -1 ) : ( 3 )=-1/3 × 2=-2/6

B ) o triplo dá soma ( + 1 ) + ( - 1 ) .
( 3 ) ( 2 )=1×(-6)=-6
-6×3=-18