Để tính giá trị biểu thức, ta thực hiện các bước sau:

1. Tính giá trị của các mũ:
- Tính giá trị của 2^30.5^7: 2^30 ≈ 1,073,741,824 và 5^7 ≈ 78,125. Vậy 2^30.5^7 ≈ 1,073,741,824 * 78,125 = 83,886,080,000,000.
- Tính giá trị của 2^13.5^7: 2^13 ≈ 8,192 và 5^7 ≈ 78,125. Vậy 2^13.5^7 ≈ 8,192 * 78,125 = 640,000,000.
- Tính giá trị của 2^27.5^7: 2^27 ≈ 134,217,728 và 5^7 ≈ 78,125. Vậy 2^27.5^7 ≈ 134,217,728 * 78,125 = 10,485,760,000,000.
- Tính giá trị của 2^10.5^7: 2^10 ≈ 1,024 và 5^7 ≈ 78,125. Vậy 2^10.5^7 ≈ 1,024 * 78,125 = 80,000,000.
- Tính giá trị của 3^25.7^25: 3^25 ≈ 847,288,609,443 và 7^25 ≈ 1,180,591,620,717,411,303,424,025. Vậy 3^25.7^25 ≈ 847,288,609,443 * 1,180,591,620,717,411,303,424,025 = 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