excel求和函数(=sum)失真

当我选择单元格格式为常规的时候,一组显然等于0的数字相加,不等于0。

0.49
–1.21
0.99
0.29
1.09
0.79
–0.31
–0.81
–0.31
–1.01
3.55271E-16

 

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