问题
解答题
6:2.4
1.5:
|
答案
6:2.4,
=(6×10):(2.4×10),
=60:24,
=(60÷12):(24÷12),
=5:2;
6:2.4,
=6÷2.4,
=2.5;
:7 8
,5 6
=(
×24):(7 8
×24),5 6
=21:20;
:7 8
,5 6
=
÷7 8
,5 6
=
,21 20
1.5:
,3 5
=1.5:0.6,
=(1.5×10):(0.6×10),
=15:6,
=(15÷3):(6÷3),
=5:2;
1.5:
,3 5
=1.5÷
,3 5
=2.5.