27969
10
3555
12504
3
985
22144
4
699
12333
2
630
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1
432
70548
4
387
8288
0
381
15298
3
334
52886
0
296
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0
221
23650
1
213
10940
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163
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0
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3712
1
118
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33672
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82
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Keyword(s): 余弦定理