HOC24
Lớp học
Môn học
Chủ đề / Chương
Bài học
m = 5
n = -1
1 is doing
2 are playing
3 are having
4 studys
5 is not playing
6 are not having
7 are not doing
8 is not studying
9 is , playing
10 is , studying
ok
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42
check gì
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