题目内容

0.7:3化成最简整数比为______:______,比值是______;0.2米:40分米=______:______.
(c)0.7:e,
=(0.7×c0):(e×c0),
=7:e0;
0.7:e,
=7:e0,
=7÷e0,
=
7
e0


(c)0.c米:c0分米,
=c分米:c0分米,
=(c÷c):(c0÷c),
=c:5.
故答案为:7:e0,
7
e0
,c,5.
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