faça estimativas para encontrar a melhor opção. Afracao
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1/5➡ 100/5=20•1=20
20•100=200/100= 20%
3/5➡ 100/5=20•3=60
60•100=600/100= 60%
2/8➡ 100/8=12,5•2=25
25•100=250/100= 25%
2/5➡ 100/5=20•2=40
40•100=400/100= 40%
1/5➡ 100/5=20•1=20
20•100=200/100= 20%
3/5➡ 100/5=20•3=60
60•100=600/100= 60%
2/8➡ 100/8=12,5•2=25
25•100=250/100= 25%
2/5➡ 100/5=20•2=40
40•100=400/100= 40%
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