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. . .
1. . ( 52)
2. 20 15-20 .
3. . ( 7).
4. , ( 10,5).
5. . . (7:10,5= 0,67)
6. (520,67=34,84)
7. 4-5 ( 4 =39 )-
8. (20:7=2,77)
9. (39*2,77=108)
10. (108 ) . .
+ 1 .
, Elenageier
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