题目内容
小明4分钟走
千米,小强
分钟走
米.小强和小明走的路程的比是______,比值是______,走的速度的比是______,比值是______,小强走的路程和时间的比是______,比值是______.
| 6 |
| 25 |
| 7 |
| 2 |
| 21 |
| 100 |
(1)
:
,
=(
×100):(
×100),
=21:24,
=(21÷3):(24÷3),
=7:8;
:
,
=
÷
,
=
×
,
=
;
(2)(
÷
):(
÷4),
=(
×
):(
×
),
=
:
,
=1:1;
(
÷
):(
÷4),
=(
×
):(
×
),
=
÷
,
=1;
(3)
:
,
=(
×100):(
×100),
=21:350,
=(21÷7):(350÷7),
=3:50;
:
,
=
÷
,
=
×
,
=
;
故答案为:7:8、
;1:1、1;3:50、
.
| 21 |
| 100 |
| 6 |
| 25 |
=(
| 21 |
| 100 |
| 6 |
| 25 |
=21:24,
=(21÷3):(24÷3),
=7:8;
| 21 |
| 100 |
| 6 |
| 25 |
=
| 21 |
| 100 |
| 6 |
| 25 |
=
| 21 |
| 100 |
| 25 |
| 6 |
=
| 7 |
| 8 |
(2)(
| 21 |
| 100 |
| 7 |
| 2 |
| 6 |
| 25 |
=(
| 21 |
| 100 |
| 2 |
| 7 |
| 6 |
| 25 |
| 1 |
| 4 |
=
| 3 |
| 50 |
| 3 |
| 50 |
=1:1;
(
| 21 |
| 100 |
| 7 |
| 2 |
| 6 |
| 25 |
=(
| 21 |
| 100 |
| 2 |
| 7 |
| 6 |
| 25 |
| 1 |
| 4 |
=
| 3 |
| 50 |
| 3 |
| 50 |
=1;
(3)
| 21 |
| 100 |
| 7 |
| 2 |
=(
| 21 |
| 100 |
| 7 |
| 2 |
=21:350,
=(21÷7):(350÷7),
=3:50;
| 21 |
| 100 |
| 7 |
| 2 |
=
| 21 |
| 100 |
| 7 |
| 2 |
=
| 21 |
| 100 |
| 2 |
| 7 |
=
| 3 |
| 50 |
故答案为:7:8、
| 7 |
| 8 |
| 3 |
| 50 |
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