Four numbers 8, 9, 12 and 4 are equal to 24
8×9÷12×4=24
2.4.8.9 how to equal 24
Each number can only be used once + - * / arbitrarily
(9-4-2)*8
9, 8, 6, 8, 4 how does it equal 24
(9-8+6-4)×8=24