问题 解答题
化简下面各比.
1
3
1
4
=
1.2:4.4=2:1.8=
1
4
:0.25=
答案

(1)
1
3
1
4

=(

1
3
×12):(
1
4
×12),

=4:3;

(2)1.2:4.4,

=(1.2×5):(4.4×5),

=6:22,

=3:11;

(3)2:1.8,

=(2×5):(1.8×5),

=10:9;

(4)

1
4
:0.25,

=(

1
4
×4):(
1
4
×4),

=1:1.

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