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| 解法 | |||
| 溶液法 | |||
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solution method : 52 phrases in 14 subjects |
| Agriculture | 2 |
| Aviation | 4 |
| Bridge construction | 2 |
| Business | 4 |
| Chemistry | 7 |
| Construction | 1 |
| Earth sciences | 1 |
| Ecology | 1 |
| Electronics | 1 |
| Hydraulics | 1 |
| Metallurgy | 1 |
| Technology | 24 |
| Telecommunications | 1 |
| Textile industry | 2 |