Ryabushko A.P. IDZ 8.1 option 12

Ryabushko A.P. IDZ 8.1 option 12

Var 12 DHS 8.1 Ryabushko Collection:
- 14 ready-made solutions (problem solved in detail and clearly);
- Expansion of the PDF;
- There are formulas and figures.

Additional information:

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