Question

calcule as divisoes
a) 1 /4: - 1 / 2 b) - 2 / 5: 3 c) -3 / 25: -9 / 10

Answer 1

a) 1/4 : (-1/2)
1/4 • (-1/2)
R= -1/8

b) -2/5 : 3
-2/5 • 1/3
R= -2/15

c) -3/25 : (-9/10)
-3/25 • (-10/9)
simplifica: -1/5 • (-2/3)
R= +2/15