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Answer :

Answer:

(7^6×2^6×5^5×3^5)÷(7^6×5^6×3^5×2^5)

7^(6-6)×2^(6-5)×5^(5-6)×3^(5-5)

7^0×2¹×5-¹×3^0

1×2×5^-1×1

2/5

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