问题
填空题
0.75:
|
答案
(1)0.75:
,3 10
=
:3 4
,3 10
=(
×20):(3 4
×20),3 10
=15:6,
=5:2;
(2)0.75:
,3 10
=5:2,
=5÷2,
=
.5 2
0.75:
|
(1)0.75:
,3 10
=
:3 4
,3 10
=(
×20):(3 4
×20),3 10
=15:6,
=5:2;
(2)0.75:
,3 10
=5:2,
=5÷2,
=
.5 2