0.36去掉小数点,就是将数字扩大到原来的100倍;就是36;360.36=100倍!
0.3去掉小数点后所得数比原来增加了9倍,0.52去掉小数点后所得数比原来增加了99倍,0.123去掉小数点后所得数比原来增加了999倍,0.4321去掉小数点后所得数比原来增加了9999倍,