_的21倍是4.41,35的1.3倍是_,91.2是3.8的_倍.

问题描述:

______的21倍是4.41,35的1.3倍是______,91.2是3.8的______倍.

①4.41÷21=0.21,
答:0.21的21倍是4.41.
②35×1.3=45.5,
答:35的1,3倍是45.5.
③91.2÷3.8=24(倍),
答:91.2是3.8的24倍.
故答案为:0.21;45.5;24.