Question

calcule o resultado das expressões numéricas a seguir:
me ajudem pfvr​

Answer 1

a) 5/2 : 2/5 = 5/2 x 5/2 = 25/4

b) 2/3 + 3/2 = 4/6 + 9/6 = 13/6
13/6 : 4 = 13/6 x 1/4 = 13/24

c) 4/5 - 2/3 = 12/15 - 10/15 = 2/15
1/2 x 4/3 = 4/6 = 2/3
2/15 : 2/3 = 2/15 x 3/2 = 6/30 = 1/5