✔ 最佳答案
..Q1. 5 , 1 , 3 , 4 ==
5 x 4 + 3 + 1
..Q2. 5 , 2 , 4 ,8 ==
5 x 4 + 8 / 2
..Q3. 1 , 2 , 10 ,3 ==
10 x 2 + 3 + 1
..Q4. 8 , 6 , 4 , 7 ==
6 x 4 x (8 - 7)
..Q5. 9 , 10 , 1 , 6==
10 + 9 + 6 - 1
..Q6. 2 , 6 , 4 , 7==
6 + 4 + (7 x 2)
..Q7. 2 , 10 , 3 , 4==
3 x 10 - 4 - 2
..Q8. 9 , 7 , 2 , 6 ==
6 x 2 x (9 - 7)
..Q9. 3 , 5 , 2 ,1 ==
(5 + 2 + 1) x 3
..Q10. 8 , 6 , 5 , 10 ==
6 x 8 / (10 / 5)
記住先乘除後加減喔...
參考: 自己計^^”
1.
5 , 1 , 3 , 4
(1) 3*(5+4-1)=24
(2) 5*(1+3)+4=24
(3) 5*4+3+1=24
2.
5 , 2 , 4 , 8
(1) 4*(8-5)*2=24
(2) 8*(5-4+2)=24
(3) 8*5/2+4=24
3.
1 , 2 , 10 , 3
(1) 2*(10+3-1)=24
(2) 3*(10-2)*1=24
(3) (3-1)*(10+2)=24
(4) 2*10+3+1=24
4.
8 , 6 , 4 , 7
(1) 4*6*(8-7)=24
(2) 8*[6-(7-4)]=24
(3) 8*(6+4-7)=24
5.
9 , 10 , 1 , 6
(1) 10+9+6-1=24
6.
2 , 6 , 4 , 7
(1) 4*7-6+2=24
7.
2 , 10 , 3 , 4
(1) 10*3-4-2=24
(2) 2+10+3*4=24
(3) 3*(10-4+2)=24
8.
9 , 7 , 2 , 6
(1) 6*2*(9-7)=24
(2) 6*(9-7+2)=24
9.
3 , 5 , 2 ,1
(1) 3*(5+2+1)=24
(2) 2*3*(5-1)=24
10.
8 , 6 , 5 , 10
(1) (8-5)*10-6=24
參考: me
1. 5*(1+3)+4
2. 5/(2/8)+4
3. 1+2*10+3
4. 6*4*(8-7)
5.
6.(2+6)*(7-4)
7.2+10+4*3
8.(9-7)*2*6
9.3*2*(5-1)
10.8*5*6/10
1. 5 , 1 , 3 , 4
=4x5+1+3
=20+1+3
=24
2. 5 , 2 , 4 , 8
=8x(5-4/2)
=8x(5-2)
=8x3
=24
3. 1 , 2 , 10 , 3
=(10+2)x(3-1)
=12x2
=24
4. 8 , 6 , 4 , 7
=(4x6)x(8-7)
=24x1
=24
5. 9 , 10 , 1 , 6
=9+10+6-1
=19+6-1
=25-1
=24
6. 2 , 6 , 4 , 7
=(2+6)x(7-4)
=8x3
=24
7. 2 , 10 , 3 , 4
=3x(10-4/2)
=3x(10-2)
=3x8
=24
8. 9 , 7 , 2 , 6
=(9-7)x(2x6)
=2x12
=24
9. 3 , 5 , 2 ,1
=3x(5+2+1)
=3x8
=24
10. 8 , 6 , 5 , 10
=6x[8/(10/5)]
=6x(8/2)
=6x4
24
1)
5(4)+1+3=24
2)
8(5-4+2)=24
3)
(10-2)(3)1=24
4)
8[4-(7-6)]=24
5)
6+10+9-1=24
6)
(6+2)(7-3)=24
7)
3(4)+2+10=24
8)
2(6)(9-7)=24
9)
(3+5)(2+1)=24
10)
8[6/(10/5)]=8(3)=24
2008-12-28 15:31:30 補充:
6)
(6+2)(7-4)=24
打錯 = =
2008-12-28 15:45:20 補充:
5數字???
第一個數唔係題號咩???
2008-12-28 16:05:28 補充:
5數字我都做到......