Question

EXERCÍCIO 4.38: CALCULE:
A) 8 X 1/4
B) 3/8 X 1/7
C) 4/3 X 9/8
D) 3/4 X 7/3 X 4/7
E) 1/2 : 2
F) 3 : 5/3
G) 7/4 : 7/5
H) 9/11 : 13/22

Answer 1

a- 8/4 = 2
b- 3/56
c- 36/24 = 12/8 = 6/4 = 3/2
d- 84/84 = 1
e- 1/2 x 1/2 = 1/4
f- 3 x 3/5 = 9/5
g- 7/4 x 5/7 = 35/28 = 5/4
h- 9/11 x 22/13 = 198/143 = 18/13

espero ter ajudadoo :)