Răspuns :
144r.........................6min
432r.........................xmin
x=(432*6)/144
x=18
200kg............125l
x kg................180l
x=(200*180)/125
x=288
45kg......................37,5kg
xkg............................75 kg
x=(75 *45)/37,5
x=90
Se aplica formula de 3 simpla
adica
1.................................3
3..................................x
x=[tex] \frac{3 *3}{1} = \frac{9}{1} =9[/tex]
432r.........................xmin
x=(432*6)/144
x=18
200kg............125l
x kg................180l
x=(200*180)/125
x=288
45kg......................37,5kg
xkg............................75 kg
x=(75 *45)/37,5
x=90
Se aplica formula de 3 simpla
adica
1.................................3
3..................................x
x=[tex] \frac{3 *3}{1} = \frac{9}{1} =9[/tex]
1) 432x6:144=18 minute
2) 200x180:125=288 Kg struguri
3) 45 kg......37,5 kg
?............75kg
75x45:37,5=90 kg cafea prajita
la toate trei problemele se foloseste regula de trei simple
2) 200x180:125=288 Kg struguri
3) 45 kg......37,5 kg
?............75kg
75x45:37,5=90 kg cafea prajita
la toate trei problemele se foloseste regula de trei simple