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Ayumi2005
@Ayumi2005
December 2019
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Para construir um muro de 7,5m, foram ultilizados 13.500 tijolos. Quantos tijolos serão nescessários para a construção de 90 m do mesmo mhro?
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sarahassis1
Você pode usar a regra de três:
m/n de tijolos.
7,5. 13500
90. x
se 7,5 m usam 13500 tijolos, 90 m usam x tijolos.
multiplicando cruzado:
7,5*x=90*13500
7,5x=1215000
x=1215000÷7,5
x= 162000 tijolos
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Lista de comentários
m/n de tijolos.
7,5. 13500
90. x
se 7,5 m usam 13500 tijolos, 90 m usam x tijolos.
multiplicando cruzado:
7,5*x=90*13500
7,5x=1215000
x=1215000÷7,5
x= 162000 tijolos