Question

24点游戏中的9.9.2.1这几个数字运用加减乘除,数字只能出现一次

Answer 1

只用加减乘除此题无解
使用根号可以完成根号9=3
9
3
2
1
((9+3)*2)/1
(9+3)*(2/1)
((9+3)*2)*1
(9+3)*(2*1)
((9*3)-2)-1
(9*3)-(2+1)
(9+3)/(1/2)
((9+3)/1)*2
(9+(3/1))*2
((9+3)*1)*2
(9+(3*1))*2
(9+3)*(1*2)
((9*3)-1)-2
(9*3)-(1+2)
(9-(2-1))*3
((9-2)+1)*3
(9*(2+1))-3
(9+(1*3))*2
((9/1)+3)*2
((9*1)+3)*2
((9+1)-2)*3
(9+(1-2))*3
(9*(1+2))-3
((3+9)*2)/1
(3+9)*(2/1)
((3+9)*2)*1
(3+9)*(2*1)
((3*9)-2)-1
3*(9-(2-1))
3*((9-2)+1)
(3*9)-(2+1)
(3+9)/(1/2)
((3+9)/1)*2
(3+(9/1))*2
((3+9)*1)*2
(3+(9*1))*2
(3+9)*(1*2)
((3*9)-1)-2
(3*9)-(1+2)
3*((9+1)-2)
3*(9+(1-2))
(3+(1*9))*2
((3/1)+9)*2
3*((1+9)-2)
3*(1+(9-2))
((3*1)+9)*2
3*(1-(2-9))
3*((1-2)+9)
2*((9+3)/1)
(2*(9+3))/1
2*(9+(3/1))
2*((9+3)*1)
(2*(9+3))*1
2*(9+(3*1))
2*(9+(1*3))
2*((9/1)+3)
2*((9*1)+3)
2*((3+9)/1)
(2*(3+9))/1
2*(3+(9/1))
2*((3+9)*1)
(2*(3+9))*1
2*(3+(9*1))
2*(3+(1*9))
2*((3/1)+9)
2*((3*1)+9)
((2+1)*9)-3
2/(1/(9+3))
(2/1)*(9+3)
2*((1*9)+3)
2*(1*(9+3))
(2*1)*(9+3)
2/(1/(3+9))
(2/1)*(3+9)
2*((1*3)+9)
2*(1*(3+9))
(2*1)*(3+9)
((1*9)+3)*2
1*((9+3)*2)
(1*(9+3))*2
((1+9)-2)*3
(1+(9-2))*3
((1*3)+9)*2
1*((3+9)*2)
(1*(3+9))*2
(1-(2-9))*3
((1-2)+9)*3
((1+2)*9)-3
1*(2*(9+3))
(1*2)*(9+3)
1*(2*(3+9))
(1*2)*(3+9)
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