2Nohuhiko, N.Mathematics teaching by "open - approach method"in Japanese classroom activities [A].In H.S. Park et al. (Eds.), Proceedings of ICMI-EARCO ME1 [C].Korea Society of Mathematics Education, 1998, Vol.2.185-192.
3Collis, K., & Romberg, T.A. (1991).Assessment of mathematical performance:An analysis of open-ended tests [A].In M.C.Wittrock,& E.L.Baker (Eds.).Testing and Cognition [C ].New Jersey : Prentice Hall, 1991.82-130.