12.5,23.4,31.2,()52.3,62.3,

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12.5,23.4,31.2,()52.3,62.3,12.5,23.4,31.2,()52.3,62.3,12.5,23.4,31.2,()52.3,62.3,看十位数1,2,3,(),5,6,、所

12.5,23.4,31.2,()52.3,62.3,
12.5,23.4,31.2,()52.3,62.3,

12.5,23.4,31.2,()52.3,62.3,
看十位数1,2,3,(),5,6,、所以十位数为4
再看数字之和:8,9,6,(),10,11,判断该数字为7
所以该数字可能是41.2或42.1