题目内容
把线段比例尺改成数值比例尺.
(1)
:______
(2)
:______
(3)
:______.
(1)
(2)
(3)
(1)1厘米:15千米,
=1厘米:1500000厘米,
=1:1500000;
(2)1厘米:2千米,
=1厘米:200000厘米,
=1:200000;
(3)1厘米:9米,
=1厘米:900厘米,
=1;900.
故答案为:1:1500000,1:200000,1:900.
=1厘米:1500000厘米,
=1:1500000;
(2)1厘米:2千米,
=1厘米:200000厘米,
=1:200000;
(3)1厘米:9米,
=1厘米:900厘米,
=1;900.
故答案为:1:1500000,1:200000,1:900.
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