Se necesita mucha practica para que domines esta destreza.

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These pages were developed through GirlTECH , a teacher training and student technology council program sponsored by the Center for Research on Parallel Computation (CRPC), a National Science Foundation Science and Technology Center. Copyright December 1997 work sheet created by Jaime F. Narvaez. July 1998
Thanks to the RGK Foundation and to Cinthia Lanius's Team for its generous support of GirlTECH.