放在前面，大数放在后面。即首先比较第1个和第2个数，将小数放前，大数放后。然后比较第2个数和第3个数，将小数放前，大数放后，如此继续。-On the front, a large number on the back. Firstly compares first and second numbers, will be placed before the decimal, large number of placed after. Then compare second numbers and third numbers, the decimal place before, large numbers of backward, so to continue.