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用5 5 9 11算24点

1: (4 + 9 ÷ 11) * 52: (4 + (9 ÷ 11)) * 53: 5 * (4 + 9 ÷ 11)4: 5 * (4 + (9 ÷ 11))5: 5 * (9 ÷ 11 + 4)6: 5 * ((9 ÷ 11) + 4)7: (9 ÷ 11 + 4) * 58: ((9 ÷ 11) + 4) * 5 只有8种

(9+11)÷56=24

(9-5)*(11-5)=24(5-11)*(5-9)=24

〔11—5〕乖〔9—5〕

6x(9+11)/5=24

(9-5)*(11-5)=24.

((5*9)-10)-11(5*9)-(10+11)((5*9)-11)-10(5*9)-(11+10)((9*5)-10)-11(9*5)-(10+11)((9*5)-11)-10(9*5)-(11+10)

共有4种方法!(5-11)*(9-13)=24(9-13)*(5-11)=24(11-5)*(13-9)=24(13-9)*(11-5)=24

(9+11)/5*6

1: 9 + 5 + 11 - 12: (9 + 5) + 11 - 13: (9 + 5 + 11) - 14: ((9 + 5) + 11) - 15: (9 + (5 + 11)) - 16: 9 + (5 + 11) - 17: 9 + (5 + 11 - 1)8: 9 + ((5 + 11) - 1)9: 9 + (5 + (11 - 1))10: 9 + 5 +(11 - 1)11: (9 + 5) + (11 - 1)12: 9 + 5 - 1 + 1113: (9 + 5) - 1 + 1114: (9 + 5 - 1) +

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