Khi thực hiện một phép nhân, bạn Mai đã viết nhầm chữ số 4 ở hàng đơn vị của một thừa số thành chữ số 1.Do đó kết quả tìm được là 1755. Tìm các thừa số đúng của phép nhân đó, biết tích đúng là 1770

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