Răspuns :
200 l ............. 8 g
x l ........1000 g
x = 200*1000/8 = 200000/8 = 25000 l apa
regula de trei simpla
200 l ......8 g
n l.........1000g ; n = (1000x200):8 = 200000:8 = 25000 l
200 l ............. 8 g
x l ........1000 g
x = 200*1000/8 = 200000/8 = 25000 l apa
regula de trei simpla
200 l ......8 g
n l.........1000g ; n = (1000x200):8 = 200000:8 = 25000 l