0.75=
(  )16
=
75
75
%=
9
9
:12=
七五
七五
折.
分析:抓住0.75是解答此題的關(guān)鍵:0.75寫成分?jǐn)?shù)是
3
4
=
12
16
,寫成比是3:4=9:12;把小數(shù)點向右移動2位,寫成百分?jǐn)?shù)是75%,可以轉(zhuǎn)化成七五折,由此即可填空.
解答:解:根據(jù)題干分析可得:0.75=
12
16
=75%=9:12=七五折.
故答案為:12;75;9;七五.
點評:此題考查比、分?jǐn)?shù)、除法之間的轉(zhuǎn)化,根據(jù)它們之間的關(guān)系和性質(zhì)進(jìn)行轉(zhuǎn)化即可.
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