Question

1,2,4,7算24点怎么算

Answer 1

(1-2+7)*4=24
((1-2)+7)*4=24
(1-(2-7))*4=24
(1+4+7)*2=24
((1+4)+7)*2=24
(1+(4+7))*2=24
(1+7-2)*4=24
((1+7)-2)*4=24
(1+(7-2))*4=24
(1+7+4)*2=24
((1+7)+4)*2=24
(1+(7+4))*2=24
2*(1+4+7)=24
2*((1+4)+7)=24
2*(1+(4+7))=24
2*(1+7+4)=24
2*((1+7)+4)=24
2*(1+(7+4))=24
2*(4+1+7)=24
2*((4+1)+7)=24
2*(4+(1+7))=24
2*(4+7+1)=24
2*((4+7)+1)=24
2*(4+(7+1))=24
2*(7+1+4)=24
2*((7+1)+4)=24
2*(7+(1+4))=24
2*(7+4+1)=24
2*((7+4)+1)=24
2*(7+(4+1))=24
4*(1-2+7)=24
4*((1-2)+7)=24
4*(1-(2-7))=24
(4+1+7)*2=24
((4+1)+7)*2=24
(4+(1+7))*2=24
4*(1+7-2)=24
4*((1+7)-2)=24
4*(1+(7-2))=24
(4+7+1)*2=24
((4+7)+1)*2=24
(4+(7+1))*2=24
4*(7+1-2)=24
4*((7+1)-2)=24
4*(7+(1-2))=24
4*(7-2+1)=24
4*((7-2)+1)=24
4*(7-(2-1))=24
(7+1-2)*4=24
((7+1)-2)*4=24
(7+(1-2))*4=24
(7+1+4)*2=24
((7+1)+4)*2=24
(7+(1+4))*2=24
(7-2+1)*4=24
((7-2)+1)*4=24
(7-(2-1))*4=24
(7+4+1)*2=24
((7+4)+1)*2=24
(7+(4+1))*2=24

Answer 2

(1+4+7)*2
(7+1-2)*4

Answer 3

1,2,4,7算24点
(1+4+7)*2
(7+1-2)*4

Answer 4

(1+4+7)*2

Answer 5

(1 - 2 + 7) × 4