They look to be synonyms: http://www.wordreference.com/es/en/translation.asp?spen=brincar
I'm not 100% sure, but I believe it is because "le" would imply that "I jump him".
I am at the absolute last lesson and fill/have filled most of my time on dl with practice (which is what I am doing now) and am just now getting words for jump and rest, the fu? And yesterday, was the first for carrot! God knows I am absolutely grateful for dl, pero instead of bombarding me with repeats of retarded idioms why couldn't I have learned these more useful words sooner? Thank you. 'Just had to get that iff my chest...
I hope you have continued and found that new things continue to be added. In addition, you'll find that the lessons are different if you do the English tree as a Spanish speaker.
Spell check gave me saltó, so what is the difference between salto and saltó? Is it past and present?