Răspuns :
daca intr-o ora 1 h sapa.................9/2 m (4,5 m)
3/4 ore...................x m
x=(3/4×9/2)/1=27/8=3,375 metri
x = 3,375 metri
3/4 ore...................x m
x=(3/4×9/2)/1=27/8=3,375 metri
x = 3,375 metri
1 ora ............... 9/2 m
3/4 ore ............. x m
x = 3/4 x 9/2 = 27/8 m = > 3intreg 3/8 m
3/4 ore ............. x m
x = 3/4 x 9/2 = 27/8 m = > 3intreg 3/8 m