问题
解答题
化简下面各比,并求比值.
|
答案
(1)3.2:0.8,
=(3.2×5):(0.8×5),
=16:4,
=4:1;
3.2:0.8=4:1=4÷1=4.
(2)48:24,
=(48÷24):(24÷24),
=2:1;
48:24=2:1=2÷1=2.
(3)
:7 16
,1 4
=(
×16):(7 16
×16),1 4
=7:4;
:7 16
=7:4=7÷4=1 4
.7 4