就是思维训练了。其实学数学也是思维训练。除了四则运算，其他以后基本都用不着

所有跟帖： 

• 就是，从来没用过微积分，但现在中学都学。如果从将来用的角度讲，80%的人高中科学全都可以不学的：） --百科-- ♀ (0 bytes) () 01/15/2015 postreply 13:12:58

• As stated in OP, problem solving requires more complete skills -SwiperTheFox- ♂ (0 bytes) () 01/15/2015 postreply 13:16:11

• Complicated skills contain many small steps of proofs. -trivial- ♀ (316 bytes) () 01/15/2015 postreply 13:25:16

• My answers: -SwiperTheFox- ♂ (1173 bytes) () 01/15/2015 postreply 13:32:53

• It seems that we have totally different understanding of what is -trivial- ♀ (100 bytes) () 01/15/2015 postreply 13:40:18