问题
填空题
化简下面各比3.6:2.4=______;1.2米:5分米=______;
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答案
(1)3.6:2.4,
=(3.6×10):(2.4×10),
=36:24,
=(36÷12):(24÷12),
=3:2;
(2)1.2米:5分米,
=12分米:5分米,
=12:5;
(3)
:2 9
,5 12
=(
×36):(2 9
×36),5 12
=8:15;
(4)
:0.75,3 8
=
:3 8
,3 4
=(
×3 8
):(8 3
×3 4
),8 3
=1:2.
故答案为:3:2,12:5,8:15,1:2.