数学二次根式化简求值
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数学二次根式化简求值数学二次根式化简求值 数学二次根式化简求值a/(a+2)-1*(a-1)²/(a-1)(a+2)=a/(a+2)+(a-1)/(a+2)=1/(a+2)=1/(
数学二次根式化简求值
数学二次根式化简求值
数学二次根式化简求值
a/(a+2) - 1*(a-1)²/(a-1)(a+2) = a/(a+2) + (a-1)/(a+2) = 1/(a+2) = 1/(2√3) = √3 /6