www.qprq.net > 1 4 5 7 怎样算24点 拜托大家了啊

1 4 5 7 怎样算24点 拜托大家了啊

(5-(2-3))*4 ((5-2)+3)*4 ((5+3)-2)*4 (5+(3-2))*4 ((5+3)+4)*2 (5+(3+4))*2 ((5+4)+3)*2 (5+(4+3))*2 2*((5+3)+4) 2*(5+(3+4)) 2*((5+4)+3) 2*(5+(4+3)) 2*((3+5)+4) 2*(3+(5+4)) 2*((3+4)+5) 2*(3+(4+5)) 2*((4+5)+3) 2*(4+(5+3)) 2*((4+3)+5)...

4×7-5+1=24

2×9÷3×4=24

(9-7)*3*4 (5-8+7)*6 3*8*4/4 (5-2)*8*1 2*8+2*4 (5+4-3)*4

3 4 7 8 (7-3)*4+8=24 5 7 8 10 (5+7)*(10-8)=24 2 2 5 8 (5+8)*2-2=24 4 5 7 10 (7-5)*10+4=24 4 4 4 9 4*(9-4)+4=24 2 2 2 9 (9+2)*2+2=24 1 2 7 7 (7*7-1)/2=24 4 6 7 9 (9+7)*3/2=24 5 7 7 9 (5+7)*(9-7)=24 5 6 7 9 (7-5)*9+6=24 2 4 7 7 7...

算24点最常用到的公式有3×8、4×6,除此外就是累加。尽量往这些方法上凑就可以得到结果了。 ①3 4 -6 10 3×[10+(-6)+4]=3×8=24 10-4-3×(-6)=6+18=24 4-10×(-6÷3)=4-(-20)=24 ②3 -5 -11 7 (7-3)×[-5-(-11)]=4×6=24

(5-3/3)*6=24 (4-8/8)*8=24 3*(7+3/3)=24

1: 4 × (7 + 8 - 9) 2: 4 × ((7 + 8) - 9) 3: 4 × (7 + (8 - 9)) 4: 4 × (7 - 9 + 8) 5: 4 × ((7 - 9) + 8) 6: 4 × (7 - (9 - 8)) 7: 4 × (8 + 7 - 9) 8: 4 × ((8 + 7) - 9) 9: 4 × (8 + (7 - 9)) 10: (4 + 8) × (9 - 7) 11: 4 × (8 - 9 + 7) 12...

(5-1)x(2+4)=24

算24点: (1)4×(5+9-8) (2)12×(13-10-1) (3)12×(7+5) ÷6 (4)(11-2)÷3×8

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