问题
解答题
化简下面各比.
|
答案
(1)18﹕24,
=(18÷6)﹕(24÷6),
=3:4;
(2)0.12﹕0.4,
=(0.12×50)﹕(0.4×50),
=6:20,
=3:10;
(3)
﹕5 8
,5 9
=(
×72)﹕(5 8
×72),5 9
=45:40,
=9:8.
化简下面各比.
|
(1)18﹕24,
=(18÷6)﹕(24÷6),
=3:4;
(2)0.12﹕0.4,
=(0.12×50)﹕(0.4×50),
=6:20,
=3:10;
(3)
﹕5 8
,5 9
=(
×72)﹕(5 8
×72),5 9
=45:40,
=9:8.