把小數(shù)化成百分?jǐn)?shù),百分?jǐn)?shù)化成小數(shù)
0.82=
0.03=0.534=0.004=
36.4%=49%=8.5%=0.6%=

解:0.82=82%,0.03=3%,0.534=53.4%,0.004=0.4%,
36.4%=0.364,49%=0.49,8.5%=0.085,0.6%=0.006,

分析:小數(shù)化百分?jǐn)?shù)的方法:把小數(shù)點(diǎn)向右移動(dòng)兩位,同時(shí)添上百分號(hào);
百分?jǐn)?shù)化小數(shù)的方法:去掉百分號(hào),把小數(shù)點(diǎn)向左移動(dòng)兩位.據(jù)方法轉(zhuǎn)化即可.
點(diǎn)評:此題考查小數(shù)和百分?jǐn)?shù)的互化.
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把百分?jǐn)?shù)化成小數(shù),只要百百分號(hào)去掉,再在數(shù)字前添上小數(shù)點(diǎn).
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