Respostas

2013-09-22T22:11:53-03:00
A.8/72=1/9
b.25/35= 5/7
c.72/90=4/5
d.125/100=25/4
e.121/143=11/13
f.0,214/0,84=214/1000:84/100=214/1000.100/84=107/420
g.12,5/7,5=125/10:75/10=125/10.10/75=5/3
h.0,08/0,4=8/100:4/10=8/100.10/4=1/5
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