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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Can you think of any three-dimensional shape that comprises of exactly two surfaces?

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3 3 3 = 6
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You can use any mathematical symbols in the space provided to make all above algebraic expressions true.

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