题目内容
一项工程,甲队独做10天完成,乙队独做15天完成.甲、乙两队每天完成这项工程量的最简整数比是______,比值为______.
(1÷10):(1÷15),
=
:
,
=(
×30):(
×30),
=3:2;
(1÷10):(1÷15),
=
:
,
=
÷
,
=
;
故答案为:3:2、
.
=
| 1 |
| 10 |
| 1 |
| 15 |
=(
| 1 |
| 10 |
| 1 |
| 15 |
=3:2;
(1÷10):(1÷15),
=
| 1 |
| 10 |
| 1 |
| 15 |
=
| 1 |
| 10 |
| 1 |
| 15 |
=
| 3 |
| 2 |
故答案为:3:2、
| 3 |
| 2 |
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