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2469用加减乘除等于24

5678:7-5=2,6/2=3,3*8=242469:9-6=3,2*3=6,4*6=24所以选1778

解: (8-5)-3=24 3-(8-5)=24 此题不用乘方无解.

(3+5)*(7-4)=8*3=24

(7+1)*(7-4)

6*8÷(9-7)=24

(7+9)÷2x3=24行家正解,你参考下

(3/7+3)*7=24

(5 - 8÷4)*8 = 24(5 + 8÷4)*4 = 24

[(5/5)+3]*6=24

(7-3-1)*8=24

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