Question

b) efetue as adições e subtração

a) 5/3 + 1/3
b) 4/5 + 2/5
c) 1/7 + 3/7
d) 17/3 - 2/3
e) 21/19 - 2/19
f) 4/20 +12/20+3/20
g) 1/7+2/7+3/7+2/7
h) 1/5+3/5+4/5+6/5
i) 19/3-4/3-8/3
j) 15/7-3/7-1/7​

Answer 1

Resposta:

a)6/3

b)6/5

c)4/7

d)15/3

e)19/19=1

f)19/20

g)8/7

h)14/5

i)7/3

j)11/7