Question

Me ajudemm:
A) 2/3 . (-1).3 =
B) -1/2 . 5 . 1=
C) 2 . 5 . 2/3 =
D) 3.x.-1/2=

Answer 1

a) 2/3 . -1 . 3 = 1/3 . -3 = -3/3 = -3
b) -1/2 . 5 . 1 = -1/2 . 5 = -5/2
c) 2 . 5 . 2/3 = 10 . 2/3 = 20/3
d) (3 . x . -1/2) = (3x = +1 . 2)  = (x = 2/3)