Cho phản ứng:   Với a, b, c, d, e là những số nguyên tối giản. Tổng (a+b) bằng?

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Một số câu hỏi khác có thể bạn quan tâm.

• Choose one word whose underlined part is pronounced differently from the others:
• Choose one word whose underlined part is pronounced differently from the others:
• Choose one word whose underlined part is pronounced differently from the others:
• Choose one word whose underlined part is pronounced differently from the others:
• Choose one word whose underlined part is pronounced differently from the others:
• Choose one word whose underlined part is pronounced differently from the others:
• Choose one word whose underlined part is pronounced differently from the others:
• Choose one word whose underlined part is pronounced differently from the others:
• Choose one word whose underlined part is pronounced differently from the others:
• Choose one word whose underlined part is pronounced differently from the others: