问题 解答题
化简比.
0.54:2.70.13米:91厘米.
答案

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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