若(N/2X²)²=4Y²/X²,则N等于
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若(N/2X²)²=4Y²/X²,则N等于
若(N/2X²)²=4Y²/X²,则N等于
若(N/2X²)²=4Y²/X²,则N等于
(N/2X²)²=4Y²/X²
N²/(4X^4)=4Y²/X²
N²=4Y²/X²×(4X^4)
N²=16X²Y²
N=±4XY
(N/2X²)²=4Y²/X² N/2X²=±2Y/X N=±2Y/X·2X² N=±4XY