把下面的百分数化成小数或整数.78%=________3.5%=________180%=________0.09%=

发布时间:2020-08-10 23:39:14

把下面的百分数化成小数或整数.
78%=________  3.5%=________180%=________  0.09%=________500%=________  0.2%=________201%=________  90.4%=________.

网友回答

0.78    0.035    1.8    0.0009    5    0.002    2.01    0.904
解析分析:把百分数化成小数,只要把百分号去掉,同时把小数点向左移动两位;也可以先把百分数化成分母是100的分数,再写成小数的形式.


解答:78%=0.783.5%=0.035,180%=1.8,0.09%=0.0009,500%=5,0.2%=0.002,201%=2.01,90.4%=0.904.



点评:此题考查百分数化小数或整数方法的灵活运用.
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