multiply 9 and 2....then add 4 and 5
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Using all numbers once:4^2 x 3 - 1 = 47[42 x 3 -1 = 47]---Simpler is 41+(2x3) = 47---To use them in that order, you could use the sqrt function1 + (23)(sqrt 4) = 47
4-3+2-1 = 2
4 dimes, 1 nickel, 2 pennies
(9+ 4- 1 ) *2
There are infinitely many possible answers. One such is 47 1/2, 1/4 and 1/4.