0.13是由1个0.1和3个0.01组成的.回答完毕~有疑问请追问，我一定尽快回复你~无疑问请点击【采纳】，同时预祝学习进步~\(^o^)/~我不是学霸，叫我赌神~\(^o^)/~~\(^o^)/~~\(^o^)/~~\(^o^)/~
