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vinh.hiepthanh2001
2 năm trước
Khi thực hiện cộng một số tự nhiên với 206,một học sinh đã chép nhầm số hạng thứ hai thành 602 nên dẫn đến kết quả sai là 1027 a) tìm số hạng đúng của phép cộng b) số hạng còn lại của phép cộng là số nào
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