3,-5,9,-12算24点?

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3,-5,9,-12算24点?3,-5,9,-12算24点?3,-5,9,-12算24点?-[9+(-12)]*[3-(-5)][9/3+(-5)]*(-12)

3,-5,9,-12算24点?
3,-5,9,-12算24点?

3,-5,9,-12算24点?
-[9+(-12)]*[3-(-5)]

[9/3+(-5)]*(-12)