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Sagot :

FABRICE

A. 12 dm^3/h = 12 /1 000 = 0,012 m^3/h

 

B. 0.05m^3/s=  0,05 * 3600 = 180 m^3/h

 

C. 2000cm^3/s= 2000 * 3600/ 1 000 000 = 7,2 m^3/h

 

D. 25L/min= 25*60 / 1 000 = 1,5 m^3/h

 

En espérant t'avoir aidé.

JL03

A=0,012m^3/h

B=(0,05*3600)m^3/h=180m^3/h

C=2000cm^3/s=0,02m^3/s=(0,02*3600)m^3/h=72m^3/h

D 1 litre =1dm^3

  ( 0,025*60)m^3/h=1,5m^3/h

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