题目内容
0.3的计数单位是0.30计数单位的( )倍.
分析:0.30的计数单位是0.01,0.3的计数单位是0.1,求0.3的计数单位是0.30计数单位的多少倍,即求0.1是0.01的多少倍,用除法解答即可.
解答:解:0.30的计数单位是0.01,0.3的计数单位是0.1,
则:0.1÷0.01=10倍;
故选:B.
则:0.1÷0.01=10倍;
故选:B.
点评:此题考查的是学生对计数单位的掌握情况及单位间的进率.
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