问题
填空题
把1
|
答案
(1)1
:0.35%,3 4
=
:7 4
,7 2000
=(
×7 4
):(2000 7
×7 2000
),2000 7
=500:1,
(2)1
:0.35%,3 4
=
:7 4
,7 2000
=
÷7 4
,7 2000
=500.
故答案为:500:1,500.
把1
|
(1)1
:0.35%,3 4
=
:7 4
,7 2000
=(
×7 4
):(2000 7
×7 2000
),2000 7
=500:1,
(2)1
:0.35%,3 4
=
:7 4
,7 2000
=
÷7 4
,7 2000
=500.
故答案为:500:1,500.