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| 无穷三角级数 | |||
| 三角级数 | |||
| Russian thesaurus | |||
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| ряд вида, где коэффициенты a0, а1, b1, а2, b2 - не зависят от переменного х. Большой Энциклопедический словарь | |||
| тригонометрический ряд: 4 phrases in 1 subject |
| General | 4 |
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