298
0
12
655
0
12
446
5
12
500
0
12
406
0
12
345
0
12
1193
0
12
614
0
12
613
0
12
1462
0
12
347
0
12
4118
0
12
2113
0
12
394
0
12
726
0
12
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Keyword(s): 数学i a