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求比值. 12:4= 0.6:4.8= 12:59= 14:0.25=.

编辑:chaxungu时间:2026-04-27 14:12:05分类:小学数学题库

求比值.
12:4=0.6:4.8=
1
2
5
9
=
1
4
:0.25=.
12:4,
=12÷4,
=3;

0.6÷4.8,
=6÷48,
=
1
8


1
2
5
9

=
1
2
÷
5
9

=
1
2
×
9
5

=
9
10


1
4
:0.25,
=
1
4
1
4

=
1
4
÷
1
4

=1.