4,4,3,8四张牌算24点有几种方法小学生二年级
2,3,4,8\u7b9724\u70b9\u4ee5\u4e0b\u7ed3\u679c\u7531\u8be5\u7f51\u5740\u7b97\u51fa\uff1a
http://www.dffy.com/tool/24.htm
1: (2 - 3 + 4) \u00d7 8
2: ((2 - 3) + 4) \u00d7 8
3: (2 - (3 - 4)) \u00d7 8
4: 2 \u00d7 (3 \u00d7 (8 - 4))
5: 2 \u00d7 3 \u00d7(8 - 4)
6: (2 \u00d7 3) \u00d7 (8 - 4)
7: (2 + 4 - 3) \u00d7 8
8: ((2 + 4) - 3) \u00d7 8
9: (2 + (4 - 3)) \u00d7 8
10: (2 \u00d7 (8 - 4)) \u00d7 3
11: 2 \u00d7 (8 - 4) \u00d7 3
12: 2 \u00d7 ((8 - 4) \u00d7 3)
13: 3 \u00d7 (2 \u00d7 (8 - 4))
14: 3 \u00d7 2 \u00d7(8 - 4)
15: (3 \u00d7 2) \u00d7 (8 - 4)
16: 3 \u00d7 (4 + 8 \u00f7 2)
17: 3 \u00d7 (4 + (8 \u00f7 2))
18: 3 \u00d7 (8 \u00f7 2 + 4)
19: 3 \u00d7 ((8 \u00f7 2) + 4)
20: (3 \u00d7 (8 - 4)) \u00d7 2
21: 3 \u00d7 (8 - 4) \u00d7 2
22: 3 \u00d7 ((8 - 4) \u00d7 2)
23: (4 + 2 - 3) \u00d7 8
24: ((4 + 2) - 3) \u00d7 8
25: (4 + (2 - 3)) \u00d7 8
26: (4 - 3 + 2) \u00d7 8
27: ((4 - 3) + 2) \u00d7 8
28: (4 - (3 - 2)) \u00d7 8
29: (4 + 8 \u00f7 2) \u00d7 3
30: (4 + (8 \u00f7 2)) \u00d7 3
31: 8 \u00d7 (2 - 3 + 4)
32: 8 \u00d7 ((2 - 3) + 4)
33: 8 \u00d7 (2 - (3 - 4))
34: 8 \u00d7 (2 + 4 - 3)
35: 8 \u00d7 ((2 + 4) - 3)
36: 8 \u00d7 (2 + (4 - 3))
37: (8 \u00f7 2 + 4) \u00d7 3
38: ((8 \u00f7 2) + 4) \u00d7 3
39: (8 - 4) \u00d7 2 \u00d7 3
40: ((8 - 4) \u00d7 2) \u00d7 3
41: (8 - 4) \u00d7 (2 \u00d7 3)
42: 8 \u00d7 (4 + 2 - 3)
43: 8 \u00d7 ((4 + 2) - 3)
44: 8 \u00d7 (4 + (2 - 3))
45: (8 - 4) \u00d7 3 \u00d7 2
46: ((8 - 4) \u00d7 3) \u00d7 2
47: (8 - 4) \u00d7 (3 \u00d7 2)
48: 8 \u00d7 (4 - 3 + 2)
49: 8 \u00d7 ((4 - 3) + 2)
50: 8 \u00d7 (4 - (3 - 2))
sd
=3x8
=24;
4÷4x3x8
=1x3x8
=24;
3÷(4÷4)x8
=3÷1x8
=24;
4x3+4+8
=12+4+8
=24;
(4-4+8)x3
=8x3
=24;
……
绛旓細=3x8 =24;4梅4x3x8 =1x3x8 =24;3梅(4梅4)x8 =3梅1x8 =24;4x3+4+8 =12+4+8 =24;(4-4+8)x3 =8x3 =24;鈥︹
绛旓細4-(4-3*8)=24锛(4-4+3)*8=24锛4-4+3*8=24锛4-4*(3-8)=24锛4+4*3+8=24锛
绛旓細=锛4-1锛壝8 =3脳8 =24
绛旓細3-2=1 4-1=3 3脳8=24
绛旓細锛2+4-3锛*8=3*8=24
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