问题
解答题
化简下列各比.
|
答案
:1 8
,3 4
=(
×8):(1 8
×8),3 4
=1:6,
12:48,
=(12÷12):(48÷12),
=1:4;
3.5:0.07,
=(3.5×100):(0.07×100),
=350:7;
=(350÷7):(7÷7),
=50:1;
1米:0.25厘米,
=100厘米:0.25厘米,
=100:0.25,
=(100×100):(0.25×100),
=10000:25,
=(10000÷25):(25÷25),
=400:1.