000到999含8的数有多少个?

2024-12-15 13:03:02
推荐回答(4个)
回答1:

8,18,28,38,48,58,68,78,80--89,98 19个
108,118,128,138,148,158,168,178,180--189,198 19个
208,....................................,298 19个
308,....................................,398 19个
408,....................................,498 19个
508,....................................,598 19个
608,....................................,698 19个
708,....................................,798 19个
800--------------------------------------899100个
908,....................................,998 19个
总个数为:19×9+100=271

回答2:

up! is a good man!

回答3:

支持4楼

回答4:

271