找到10种解法:
1:
((2+3)\\times4)-5
((2+3)×4)−5 = 24
2:
((2+4)\\times3)-5
((2+4)×3)−5 = 24
3:
((3+4)\\times2)-5
((3+4)×2)−5 = 24
4:
((2\\times3)+4)+5
((2×3)+4)+5 = 24
5:
((2\\times4)+3)+5
((2×4)+3)+5 = 24
6:
((3\\times4)+2)-5
((3×4)+2)−5 = 24
7:
((3\\times4)+5)-2
((3×4)+5)−2 = 24
8:
((4\\times2)+3)+5
((4×2)+3)+5 = 24
9:
((4\\times2)+5)+3
((4×2)+5)+3 = 24
10:
((4\\times3)+2)-5
((4×3)+2)−5 = 24