Question

calcule :


a)4÷3/5 b)7/4÷2 c)3/8÷2/5



d)1/4÷3/2 e)3/8÷2/5 f)5/6÷1/2


explicação:​

Answer 1

Explicação passo-a-passo:

a) 4 - 3/5 = 17/5

b) 7/4 - 2 := 1/4

c) 3/8 - 2/5 = 15/40 - 16/40 = - 1/40

d) 1/4 - 3/2 = 1/4 - 6/4 = - 5/4

e) 3/8 - 2/5 = 15/40 - 16/40 = - 1/40

f) 5/6 - 1/2 = 5/6 - 3/6 = 2/6 = 1/3