3倍根号2减2倍根号3的倒数是神马

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3倍根号2减2倍根号3的倒数是神马3倍根号2减2倍根号3的倒数是神马3倍根号2减2倍根号3的倒数是神马1/(3√2-2√3)=(3√2+2√3)/(3√2-2√3)(3√2+2√3)=(3√2+2√3

3倍根号2减2倍根号3的倒数是神马
3倍根号2减2倍根号3的倒数是神马

3倍根号2减2倍根号3的倒数是神马
1/(3√2-2√3)
=(3√2+2√3)/(3√2-2√3)(3√2+2√3)
=(3√2+2√3)(18-12)
=(3√2+2√3)/6

3倍根号2减2倍根号3的倒数
=(3倍根号2+2倍根号3)÷【(3倍根号2减2倍根号3)×(3倍根号2+2倍根号3)】
=(3倍根号2+2倍根号3)/(18-12)
=(3倍根号2+2倍根号3)/6