问题
解答题
化简下面各比. 65:13
3.2:4.6. |
答案
(1)65:13,
=(65÷13):(13÷13),
=5:1;
(2)
:5 6
,2 3
=(
×6):(5 6
×6),2 3
=5:4;
(3)3.2:4.6,
=(3.2×5):(4.6×5),
=16:23.
化简下面各比. 65:13
3.2:4.6. |
(1)65:13,
=(65÷13):(13÷13),
=5:1;
(2)
:5 6
,2 3
=(
×6):(5 6
×6),2 3
=5:4;
(3)3.2:4.6,
=(3.2×5):(4.6×5),
=16:23.