Question

5) Efetue as subtrações:
a) 7/9 - 5/9 = b) 9/5 -2/5 =
c) 2/3 - 1/3 = d) 8/3 - 2/3 =
e) 5/6 - 1/6 = f) 5/5 - 2/5 =
g) 5/7 - 2/7 = h)1/3 + 1/5 = b) 3/4 + 12 =
i) 2/4 + 2/3 = j) 2/5 + 3/10 =
k) 5/3 + 1/6 = 1) '4 + 2/3 + 12 =
m) 12 + 1/7 + 5/7 = n) 3/7 + 5/2 + 1/14 ​

Answer 1

Resposta:

a) 2/9

b) 7/5

c) 1/3

d)6/3

e)4/6

f)3/5

g)3/7

h)2/15

b?) 51/4

i)14/12

j)7/10

k)11/6

l)50/3 (fiquei em dúvida sobre o 4)

m) 102/7

n)42/14