7.buhel toog nemeh.mungunchimeg.2011.11.20

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7-р ангийн хичээл

Transcript of 7.buhel toog nemeh.mungunchimeg.2011.11.20

  • 1. : XII/2;7.

2. , , 3. 4. I8I= 8I-1 9I=19 19