0.75=數(shù)學公式=數(shù)學公式=數(shù)學公式=________÷16.

12
分析:解答此題的關鍵是0.75,寫成分數(shù)并化簡為:==;寫成除法算式是3÷4=12÷16,由此即可填空.
解答:根據(jù)題干分析可得:0.75====12÷16;
故答案為:;9;16;12.
點評:此題考查運用分數(shù)、小數(shù)、除法、比之間的關系和性質解決問題的.
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