- Category:
- JavaScript
- Tags:
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[WORD]
- File Size:
- 46kb
- Update:
- 2012-11-29
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- Uploaded by:
- 唐泥
Description: Insert the operator equation was established to course design experiment report design procedure in the expression "123456789 = a" on the left in the appropriate position insertion operator "" and"- "or"* ", in order to make equation was established, the list of all possible situation. For example: when a = 1000, 123 45-67 8-9 = 100. In elementary school is encountered such a problem, but then encountered such a problem that very simple, not by, and now the process requirements of all meet the conditions of the answers are chosen to. So consider using program to solve the problem. The first problem left is "123456789" insert appropriate operator, can imagine 123456789 this nine people standing in sequence, and then in the midst of them into board, board respectively is: "","- ", "*". After the board in and out of an expression, and then through the specific function to screening can make equation established expression, and output.
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