题目内容

1
3
1
6
化成最简单整数比是______,比值是______,把1.2:75化成最简单的整数比是______,比值是______.
(1)
1
3
1
6

=(
1
3
×6):(
1
6
×6),
=2:1;
1
3
1
6

=2:1,
=2÷1,
=2.

(2)1.2:75,
=(1.2×5):(75×5),
=6:375,
=(6÷3):(375÷3),
=2:125;

1.2:75,
=2:125,
=2÷125,
=
2
125
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