第21页

信息发布者:

=

①⑥⑧⑨
②③④⑤⑦
$1.200$
$4.008$
$5.120$
$100.000$
$39.08$
$39.0800$
$630.0$
$630.00$
24
240
2400
$0.90$
$0.900$
$20.02$
$0.060$
$0.006$
$0.060$
$0.06$
$15.20$
$0.60$
$1.50$
$20.00$
66.00
6.060
6.006
答:原来的小数可能是2.800或2.080或
2.008,化简结果为2.800=2.8,2.080=2.08,
2.008=2.008。