| 000 | 00804nam a2200409Ia 4500 | ||
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| 020 | _a9781938134869 | ||
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_a516.246 _bY21.TF |
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_aTrigonometric functions and complex numbers _b _cby Desheng Yang |
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_aNew Jersey _bWorld Century _c2017 |
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_aWorld century mathematical olympiad series _v vol.1 |
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| 100 | _aYang, Desheng | ||
| 300 | _ax, 411p. | ||
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