24 GamesMath brain teasers require computations to solve.
Can you take the numbers 21, 10, 5, and 3, and make the total equal 24 using basic arithmetic signs (*, /, +, -)? Each number may only be used once, and every number must be used.
For example, if given 2, 2, 4, and 6, the answer would be 6/2 = 3 3*2 = 6 6*4 = 24 2, 2, 4, and 6 were all used once. 
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