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DeletedUser14
Calculus
501
501
42
459
459
3
441
441
60
40
419
419
6
410
410
31
43
376
376
9
311
311
99
135
241
241
12
241
241
70
140
101
101
15
197
197
44
I
61
40
40
18
130
130
67
I
x1
x1
21