计算题(根号2-根号3)的2次方+2倍根号3分之1X3倍根号2

2025-03-10 09:58:49
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回答1:

(根号2-根号3)的2次方+2倍根号3分之1X3倍根号2
=(√2-√3)²+2[√(1/3)]*3√2
=2-2√2*√3+3+2[√(3)/3]*3√2
=5-2√2*√3+2√3*√2
=5