Phiếu bài tập toán 4
Ôn tập các kiến thức về đổi đơn vị đo khối lượng, giây, thế kỉ, tìm số trung bình cộng.
ID: 2466307 Language: Vietnamese School subject: Môn Toán-Math Grade/level: 4 Age: 9-10 Main content: Giây, thế kỉ, Trung bình cộng Other contents: Cuối tuần 5
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Tuyet88
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