题目内容
0.6=________=________:35=6÷________=________%
21 10 60
分析:解决此题关键在于0.6,0.6可化成分数,的分子和分母同时除以2可化成最简分数;用分子3做比的前项,分母5做比的后项也可转化成比为3:5,3:5的前项和后项同时乘上7可化成21:35;也可用分子3做被除数,分母5做除数可转化成除法算式3÷5,3÷5的被除数和除数同时乘上2可化成6÷10;0.6的小数点向右移动两位,同时添上百分号可化成60%;由此进行转化并填空.
解答:0.6==21:35=6÷10=60%;
故答案为:,21,10,60.
点评:此题考查小数、分数、比、除法和百分数之间的转化,利用它们之间的关系和性质进行转化即可.
分析:解决此题关键在于0.6,0.6可化成分数,的分子和分母同时除以2可化成最简分数;用分子3做比的前项,分母5做比的后项也可转化成比为3:5,3:5的前项和后项同时乘上7可化成21:35;也可用分子3做被除数,分母5做除数可转化成除法算式3÷5,3÷5的被除数和除数同时乘上2可化成6÷10;0.6的小数点向右移动两位,同时添上百分号可化成60%;由此进行转化并填空.
解答:0.6==21:35=6÷10=60%;
故答案为:,21,10,60.
点评:此题考查小数、分数、比、除法和百分数之间的转化,利用它们之间的关系和性质进行转化即可.
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