题目内容
益民奶牛场里黑牛、黄牛、花牛头数之比是3:4:6,三种牛一共有156头,问三种牛各有多少头?
156×
,
=156×
,
=36(头),
156×
,
=156×
,
=48(头).
156×
,
=156×
,
=72(头).
答:黑牛有36头,黄牛有48头,花牛有72头.
| 3 |
| 3+4+6 |
=156×
| 3 |
| 13 |
=36(头),
156×
| 4 |
| 3+4+6 |
=156×
| 4 |
| 13 |
=48(头).
156×
| 6 |
| 3+4+6 |
=156×
| 6 |
| 13 |
=72(头).
答:黑牛有36头,黄牛有48头,花牛有72头.
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