问题
填空题
把0.35%:1
|
答案
0.35%:1
,3 4
=
:35 10000
,7 4
=
×35 10000
,4 7
=
,20 10000
=
,1 500
=1:500;
故答案为:1:500,
.1 500
把0.35%:1
|
0.35%:1
,3 4
=
:35 10000
,7 4
=
×35 10000
,4 7
=
,20 10000
=
,1 500
=1:500;
故答案为:1:500,
.1 500