用最小二乘法将下列数据拟合成y=a(下标0)+a(下标1)x+a(下标2)x(2次方)形式的经验公式。(计算结果中保留两位小数)X(下标i)1.20 2.40 3.20 4.54 5.82Y(下标i)7.63 16.41 24.19 40.65 60.41
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