Question

calcule :

a)1/2 + 1/5 + 1/10 – 3/10

b)1/10 + 1/2 - 1/5 - 3/10

c)1/2 + 1

d) 1/10 + 9/10 – 1/5

e)4/5 - 1/5 - 1/10

Answer 1

Resposta:

nao sei te responder essa infelizmente