Question

把下面各數(shù)化成百分?jǐn)?shù)． 0.42= 42 %	7 8 = 87.5 %	4 25 = 16 %
0.015= 1.5 %	1= 100 %	3 5 = 60 %
1.75= 175 %	3 4 = 75 %	7 20 = 35 %

Answer 1

分析：小數(shù)化百分?jǐn)?shù)的方法：小數(shù)點(diǎn)向右移動(dòng)兩位，同時(shí)填上百分號(hào)；據(jù)此解答．

解答：

解：0.42=42%	7 8 =87.5%	4 25 =16%
0.015=1.5%	1=100%	3 5 =60%
1.75=175%	3 4 =75%	7 20 =35%

點(diǎn)評(píng)：此題考查小數(shù)、百分?jǐn)?shù)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．