Question

1- Calcule as expressões:
b)- 1/2.(-1/5=
c) 1/3.(-4)/7=
d) 2/3÷ (-3)/5=
e) -1/2 ÷(-4)/7=​

Answer 1

Explicação passo-a-passo:

b) -1/2 • (-1/5) =1/10

c) 1/3 • (-4/7) = -4/21

d) 2/3 : (-3/5) = 2/3 • (-5/3) =-10/9

e) -1/2 : (-4/7) = -1/2 • (-7/4) = 7/8