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Respondido

3/5÷10/9=
3/4÷20=
5/÷1/3=
5/12÷20/6=
Me ajudem por favor

Resposta :

Franciscosuassuna12go

Explicação passo-a-passo:

3/5÷10/9=3/5x9/10=27/50

3/4÷20=3/4x1/20=3/80

5÷1/3=5x3/1=15

5/12÷20/6=5/12x6/20=30/240:(30/30)=1/8

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