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(2012•洪山区一模)化简比.0.54:2.70.13米:91厘米.

题目详情
(2012•洪山区一模)化简比.
0.54:2.7 0.13米:91厘米.
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答案和解析
0.54:2.7,
=(0.54×100):(2.7×100),
=54:270,
=(54÷54):(270÷54),
=1:5;

0.13米:91厘米,
=13厘米:91厘米,
=13:91,
=(13÷13):(91÷13),
=1:7.
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