Uh oh! Wolfram|Alpha doesn't run without JavaScript.
Please enable JavaScript. If you don't know how, you can find instructions
here
.
Once you've done that, refresh this page to start using Wolfram|Alpha.
Velocità barca contro corrente: v_b - v_c = 8 km/h, a favore: v_b + v_c = 12 . Trova
Velocità barca contro corrente: v_b - v_c = 8 km/h, a favore: v_b + v_c = 12 . Trova
Natural Language
Math Input
Extended Keyboard