Answer: these are some ways to get 24 by using 7,7,3,3.

(square root of (7*7) *3 ) +3 = 24

(3/7+3)*7 =24

=> (3/7 + 21/7) * 7 =24

=> (24/7) * 7 =24

=> 24=24((7/7)+3)∗(3!)=4∗(3!)=24

4.(√7−3 + √7−3)!=(2+2)!=24 or (Square root of (7-3) + Square root of (7+3)) ! = 24