Replace Symbols

Using mathematical symbols like +, -, and x in order to make the equations correct. Replace # with the above-given symbols.

9 # 8 # 7 # 6 # 5 # 4 = 91




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How many pluses should we put between the digits of 987654321 to get a total of 99, and where?

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In a classic wine shop, the list of three most popular wines are:
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In a mathematical quiz, you are asked the following question:

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