4.9.9.12算24点_数学解答

4.9.9.12算24点

人气：477 ℃　时间：2020-03-31 16:05:22

解答

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))*99*(4-(12/9))((9+9)-12)*4(9+(9-12))*4(9-(12-9))*4((9-12)+9)*49*(4-(12/9))((9+9)-1...