Question

efetue as subtraçoes 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 me ajudem porfavor​

Answer 1

Resposta:

b) 6/5

c) 4/7

d) 19/3

e) 23/9

f) 19/20

g) 8/7

h) 12/5

i) 8/3

j) 11/7