Răspuns :
2 robinete.......4.6 ore
12 robinete ......x
Folosim regula de 3 simpla!
2 supra 12 = x supra 4.6
x=2*4.6 :12=9.2:12=0,7(6)
in 0.7(6) ore
Sper ca e bine! xD
12 robinete ......x
Folosim regula de 3 simpla!
2 supra 12 = x supra 4.6
x=2*4.6 :12=9.2:12=0,7(6)
in 0.7(6) ore
Sper ca e bine! xD
2robinete............ 4,6 h
12 robinete............. x h
x=2·4,6/12=46/60=23/30=0,7666....=0,7(6)
12 robinete............. x h
x=2·4,6/12=46/60=23/30=0,7666....=0,7(6)