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______________________ _____. : _______
__________________________ _________
3
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: 2 (, =50. - 502=100)
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... ________________________ _____________ ____________________2014.
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4
( 100- ) | ||
1. | : ) 10 . | |
2. | : ) 10 . ) 20. | |
3. | : ) 20. ) 20. ) 20. | |
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