3,-5,7,4,二十四点怎么玩?

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3,-5,7,4,二十四点怎么玩?

3,-5,7,4,二十四点怎么玩?
3,-5,7,4,二十四点怎么玩?

3,-5,7,4,二十四点怎么玩?
3*4+7-(-5)

7-5=2
2*3=6
4*6=24

3*4+7-(-5)=24

7-5=2
2*3=6
4*6=24

(7-4)*[3-(-5)] ==24
3+ 4 + 7-(-5) ==24
3* 4*[7-(-5)] ==24
暂时由于水平所限,得了仨答案,我尽力了.

3×4+7-(-5)

3*4*(7-5)=24

(7-4)*[3-(-5)] ==24
3* 4 + [7-(-5) ==24
3* 4*[7+(-5)] ==24

7-5=2
2*3=6
4*6=24