问题 解答题
化简下列各比.
1
8
3
4
12:483.5:0.071米:0.25厘米.
答案

1
8
3
4

=(

1
8
×8):(
3
4
×8),

=1:6,

12:48,

=(12÷12):(48÷12),

=1:4;

3.5:0.07,

=(3.5×100):(0.07×100),

=350:7;

=(350÷7):(7÷7),

=50:1;

1米:0.25厘米,

=100厘米:0.25厘米,

=100:0.25,

=(100×100):(0.25×100),

=10000:25,

=(10000÷25):(25÷25),

=400:1.

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