✨ Best Answer ✨
2a+b=50,
2a>0, b>0, 由算幾不等式,
(2a+b)/2≥根號(2ab)
ab≤25²/2=625/2
等號成立時,2a=b=25,
長邊=b=25,短邊=a=25/2
求解
✨ Best Answer ✨
2a+b=50,
2a>0, b>0, 由算幾不等式,
(2a+b)/2≥根號(2ab)
ab≤25²/2=625/2
等號成立時,2a=b=25,
長邊=b=25,短邊=a=25/2
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