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;
24:48,
=(24÷24):(48÷24),
=1:2;
2.8:0.7,
=(2.8×10):(0.7×10),
=28:7,
=(28÷7):(7÷7),
=4:1.
化简下列各比.
|
:1 8
,3 4
=(
×8):(1 8
×8),3 4
=1:6;
24:48,
=(24÷24):(48÷24),
=1:2;
2.8:0.7,
=(2.8×10):(0.7×10),
=28:7,
=(28÷7):(7÷7),
=4:1.