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K
Khách
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DT
14
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Các câu hỏi dưới đây có thể giống với câu hỏi trên
HP
11
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HM
13
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HM
5 tháng 2 2017
X + 50 = 100 - 40
X + 50 = 60
X = 60 - 50
X = 10
ai tk mik mik tk lai , mik hua !!
TD
8
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TD
7
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TD
9
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HP
6
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PQ
16
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VH
19
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TD
8
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200 tk m nhé
100 + 100 = 200
k nha