- Thread starter
- #1
Albert
Well-known member
- Jan 25, 2013
- 1,225
HI : good to see you everybody ,I am a new comer on this board
Being a math teacher ,I always trained my students with various difficult problems
from now on I am going to post a sequential challenging questions for people to share
most of them I know the answer and the solution of it , maybe your solution is quicker and smarter
please try it many thanks
here comes the problem :
Being a math teacher ,I always trained my students with various difficult problems
from now on I am going to post a sequential challenging questions for people to share
most of them I know the answer and the solution of it , maybe your solution is quicker and smarter

please try it many thanks
here comes the problem :

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