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Môn Toán-Math
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11 trừ đi một số, 3 điểm thẳng hàng
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Age 7-13
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level: 2
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Vietnamese
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Môn Toán-Math
-
11 trừ đi một số, 3 điểm thẳng hàng
-
Age 7-13
-
level: 2
-
Vietnamese