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hoanglinhkhtd
2 năm trước
Bài 1 : Đổi ra đơn vị “ cm” a, 8m 27dm + 3m 35cm+ 3dm 65cm b, 98m20cm x 2+23m + 3dm65cm c, 18m40cm x 4+80m5dm x 8 d, 87m23dm : 2 e, 9m 8dm 7cm :3 f,36m 8m 7cm :3
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