Видео ютуба по тегу Half-Length Fast Calculation

Which Is Faster: Run Half The Distance Or Half The Time?
Which Is Faster: Run Half The Distance Or Half The Time?
The Speed, Distance and Time trick [No Ads]
The Speed, Distance and Time trick [No Ads]
Time, distance speed calculations - quarter and half hours
Time, distance speed calculations - quarter and half hours
Easy Half-Length Answer from Tape Measure
Easy Half-Length Answer from Tape Measure
Speed Distance Time with Quarter and Half Hours
Speed Distance Time with Quarter and Half Hours
Speed Guide to Short Division
Speed Guide to Short Division
How I learned to Calculate Extremely Fast
How I learned to Calculate Extremely Fast