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Now there are four rational numbers 7,3, - 7, - 3. Add, subtract, multiply and divide these four numbers (each number is only used once). The result is equal to 24. Please write a qualified formula

Now there are four rational numbers 7,3, - 7, - 3. Add, subtract, multiply and divide these four numbers (each number is only used once). The result is equal to 24. Please write a qualified formula

[3+(-3/-7)]*7

How does 5 1 Equal 24

(5-1÷5)x5=24
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