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0.75=12÷________=9:________=________%

16    12    75
分析:解决此题关键在于0.75,0.75可改写成75%,0.75也可改写成,也可改写成3:4,还可改写成3÷4,进一步利用商不变的规律改写成12÷16.
解答:0.75=75%=
=3÷4=(3×4)÷(4×4)=12÷16,
=3:4=(3×3):(4×3)=9:12,
所0.75=12÷16=9:12=75%,
故答案为:16,12,75.
点评:此题考查小数、分数、百分数之间的转化,根据它们之间的关系和性质进行转化即可.
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