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el12sw
Calculus
501
501
59
442
442
3
475
475
26
77
365
365
6
429
429
46
8
357
357
9
389
389
40
114
243
243
12
353
353
36
81
162
162
15
332
332
21
105
57
57
18
289
289
43
II
x3
x3
21
194
194
95