Ответ:
2) 5^2×2^4×3^4×2^4×3^2/3^2×5^2×3^6=сокрачаем дроби
2^4×2^4/3^2=2^8/3^2=256/9
4) 3^9×9^7×2^2/81^5×2^3= 3^9×3^14/3^20×2=3^3/2=27/2
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Ответ:
2) 5^2×2^4×3^4×2^4×3^2/3^2×5^2×3^6=сокрачаем дроби
2^4×2^4/3^2=2^8/3^2=256/9
4) 3^9×9^7×2^2/81^5×2^3= 3^9×3^14/3^20×2=3^3/2=27/2