题目内容
四人合买一台挖掘机,甲付的钱是其他三人所付钱之和的
,乙付的钱是其他三人所付的钱之和的
,丙付的钱是其他三人所付钱之和的
,丁付65000元.问着部挖掘机多少元?甲、乙丙三人各付多少元?
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 4 |
65000÷(1-
-
-
)
=65000÷(1-
-
-
),
=65000÷
,
=300000(元).
30000×
=30000×
,
=100000(元);
300000×
=300000×
,
=75000(元);
300000×
=300000×
,
=60000(元).
答:这部挖掘机300000元,甲付了100000元,乙付了75000元,丙付了60000元.
| 1 |
| 2+1 |
| 1 |
| 3+1 |
| 1 |
| 4+1 |
=65000÷(1-
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 5 |
=65000÷
| 13 |
| 60 |
=300000(元).
30000×
| 1 |
| 1+2 |
=30000×
| 1 |
| 3 |
=100000(元);
300000×
| 1 |
| 1+3 |
=300000×
| 1 |
| 4 |
=75000(元);
300000×
| 1 |
| 1+4 |
=300000×
| 1 |
| 5 |
=60000(元).
答:这部挖掘机300000元,甲付了100000元,乙付了75000元,丙付了60000元.
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