试题:
把下列各组数按从大到小的顺序排列.
(1)1.341.431.4531.543
(2)18.1218.921.892189.2
(3)5.020.50250.2 502.

答案:

我来补答
(1)1.543>1.453>1.43>1.34;
(2)189.2>18.92>18.12>1.892;
(3)502>50.2>5.02>0.502.
 
 
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这些题目你会做吗?