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【简答题】
给出f(x)=lnx的数值表： x 0.4 0.5 0.6 0.7 0.8 lnx -0. 9162 91 -0.69 3147 -0. 510826 -0. 356675 -0. 223144 用线性插值及二次插值计算ln0. 54的近似值。
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