Question

4.9.9.12算24点

Answer 1

4*((9+9)-12)

4*(9+(9-12))

4*(9-(12-9))

4*((9-12)+9)

4*((9+9)-12)

4*(9+(9-12))

4*(9-(12-9))

4*((9-12)+9)

(4-(12/9))*9

(4-(12/9))*9

9*(4-(12/9))

((9+9)-12)*4

(9+(9-12))*4

(9-(12-9))*4

((9-12)+9)*4

9*(4-(12/9))

((9+9)-12)*4

(9+(9-12))*4

(9-(12-9))*4

((9-12)+9)*4