用简便方法计算:210^5÷(5^6*6^6*7^5)

2025-01-27 02:32:22
推荐回答(1个)
回答1:

210^5÷(5^6*6^6*7^5)
=210^5÷7^5÷(5×6)^6
=(210÷7)^5÷30^6
=30^5÷30^6
=1/30

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