找到10种解法:
1: $(9+3)\times(10/5)$ = 24
2: $3\times(10-5)+9$ = 24
3: $(10/5)\times(3+9)$ = 24
4: $(3+9)\times(10/5)$ = 24
5: $10\times[(3+9)/5]$ = 24
6: $10\times(9+3)/5$ = 24
7: $(9+3)/(5/10)$ = 24
8: $10\times(3+9)/5$ = 24
9: $9+((10-5)\times3)$ = 24
10: $(3+9)/(5/10)$ = 24