R , . : (1), ρ , , : [ ρ ]=×. : (2).
.. ρ :
1) R, : (3);
2) S : (4), π=3,14, d .
3) l .
1. , , . R (3): __________;
2. , : __________;
3. d S (4): d = _____; _____
4.C l: l = _____;
5. (2):
________; ________;
6. 1.
1
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7.
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________;
8. ρ , , : ____ ______;
9. : , : _______; ________;
10. : : _______________________________.
: ______________________________________________________________________
_____________________________________________________________________________
1. , ?
2. ?
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:
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