用2、2、4、8算24点，列出4个算式。急急急！！！ 2丶2丶4丶4怎么算24点
\u75282\uff0c2\uff0c4\uff0c8\u7ec4\u621024\u70b9\uff08\u8981\u6709\u7b97\u5f0f\uff09
2\u4e362\u4e364\u4e364\u7b9724\u70b9\u516c\u5f0f\u4e3a\uff1a[(2\u00d74)+4)]\u00d72=24
\u89e3\u91ca\u5206\u6790\uff1a\u5728\u516c\u5f0f[(2\u00d74)+4)]\u00d72\u4e2d\uff0c\u9700\u8981\u5148\u7b97\u5c0f\u62ec\u53f7\u4e2d\u76842X4\uff0c\u4f1a\u7b49\u4e8e8\uff1b\u63a5\u7740\u7b97\u5927\u62ec\u53f7\u4e2d\u7684\u4fbf\u662f8+4\u7b49\u4e8e12\uff0c\u6700\u540e\u624d\u6765\u4e58\u4ee52\uff0c12\u4e58\u4ee52\u5c31\u4f1a\u7b49\u4e8e24\uff0c\u6240\u4ee5\u7b54\u6848\u662f[(2\u00d74)+4)]\u00d72=24\u3002
\u6269\u5c55\u8d44\u6599\uff1a
24\u70b9\u5177\u4f53\u7684\u73a9\u6cd5\u662f\uff1a\u62ff\u4e00\u526f\u724c\uff0c\u62bd\u53bb\u5927\u5c0f\u738b\u540e(\u521d\u7ec3\u4e5f\u53ef\u4ee5\u628aJ/Q/K/\u5927\u5c0f\u738b\u4e5f\u62ff\u53bb)\uff0c\u5269\u4e0b1\uff5e10\u8fd940\u5f20\u724c(\u4ee5\u4e0b\u75281\u4ee3\u66ffA)\u3002
\u4efb\u610f\u62bd\u53d64\u5f20\u724c(\u79f0\u4e3a\u724c\u7ec4)\uff0c\u7528\u52a0\u3001\u51cf\u3001\u4e58\u3001\u9664(\u53ef\u52a0\u62ec\u53f7\uff0c\u9ad8\u7ea7\u73a9\u5bb6\u4e5f\u53ef\u7528\u4e58\u65b9\u5f00\u65b9\u4e0e\u9636\u4e58\u8fd0\u7b97)\u628a\u724c\u9762\u4e0a\u7684\u6570\u7b97\u621024\u3002\u6bcf\u5f20\u724c\u5fc5\u987b\u7528\u4e14\u53ea\u80fd\u7528\u4e00\u6b21\u3002\u5982\u62bd\u51fa\u7684\u724c\u662f3\u30018\u30018\u30019\uff0c\u90a3\u4e48\u7b97\u5f0f\u4e3a(9-8)\u00d78\u00d73=24\u3002
2×2×4+8=24；
2×（2+8-4）=24；
8×（4-2÷2）=24；
2×8+2×4=24。
扩展资料：
运算顺序
同级运算时，从左到右依次计算；
两级运算时，先算乘除，后算加减。
有括号时，先算括号里面的，再算括号外面的；
有多层括号时，先算小括号里的，再算中括号里面的，，再算大括号里面的，最后算括号外面的。
要是有乘方，最先算乘方。
在混合运算中，先算括号内的数 ，括号从小到大，如有乘方先算乘方，然后从高级到低级。
参考资料来源：百度百科-四则混合运算
1: (2 + 2) × 4 + 8
2: ((2 + 2) × 4) + 8
3: 2 × 2 × 4 + 8
4: (2 × 2) × 4 + 8
5: (2 × 2 × 4) + 8
6: ((2 × 2) × 4) + 8
7: (2 × (2 × 4)) + 8
8: 2 × (2 × 4) + 8
9: (2 × (2 + 8)) + 4
10: 2 × (2 + 8) + 4
11: 2 × (2 × 8 - 4)
12: 2 × ((2 × 8) - 4)
13: (2 + 4) ÷ 2 × 8
14: ((2 + 4) ÷ 2) × 8
15: (2 + 4) ÷ (2 ÷ 8)
16: 2 × 4 + 2 × 8
17: (2 × 4) + 2 × 8
18: 2 × 4 +(2 × 8)
19: (2 × 4) + (2 × 8)
20: 2 × 4 × 2 + 8
21: (2 × 4) × 2 + 8
22: (2 × 4 × 2) + 8
23: ((2 × 4) × 2) + 8
24: (2 × (4 × 2)) + 8
25: 2 × (4 × 2) + 8
26: (2 + 4) × 8 ÷ 2
27: ((2 + 4) × 8) ÷ 2
28: (2 + 4) × (8 ÷ 2)
29: 2 × 4 + 8 × 2
30: (2 × 4) + 8 × 2
31: 2 × 4 +(8 × 2)
32: (2 × 4) + (8 × 2)
33: (2 + 8) × 2 + 4
34: ((2 + 8) × 2) + 4
35: (2 + 8 ÷ 2) × 4
36: (2 + (8 ÷ 2)) × 4
37: (2 × (8 + 2)) + 4
38: 2 × (8 + 2) + 4
39: 2 × 8 + 2 × 4
40: (2 × 8) + 2 × 4
41: 2 × 8 +(2 × 4)
42: (2 × 8) + (2 × 4)
43: 2 × (8 × 2 - 4)
44: 2 × ((8 × 2) - 4)
45: 2 × 8 + 4 × 2
46: (2 × 8) + 4 × 2
47: 2 × 8 +(4 × 2)
48: (2 × 8) + (4 × 2)
49: (2 × 8 - 4) × 2
50: ((2 × 8) - 4) × 2
51: 4 + (2 × (2 + 8))
52: 4 + 2 ×(2 + 8)
53: (4 + 2) ÷ 2 × 8
54: ((4 + 2) ÷ 2) × 8
55: (4 + 2) ÷ (2 ÷ 8)
56: (4 - 2 ÷ 2) × 8
57: (4 - (2 ÷ 2)) × 8
58: (4 × (2 + 2)) + 8
59: 4 × (2 + 2) + 8
60: 4 × 2 + 2 × 8
61: (4 × 2) + 2 × 8
62: 4 × 2 +(2 × 8)
63: (4 × 2) + (2 × 8)
64: 4 × 2 × 2 + 8
65: (4 × 2) × 2 + 8
66: (4 × 2 × 2) + 8
67: ((4 × 2) × 2) + 8
68: (4 × (2 × 2)) + 8
69: 4 × (2 × 2) + 8
70: 4 + (2 + 8) × 2
71: 4 + ((2 + 8) × 2)
72: 4 + (2 × (8 + 2))
73: 4 + 2 ×(8 + 2)
74: (4 + 2) × 8 ÷ 2
75: ((4 + 2) × 8) ÷ 2
76: (4 + 2) × (8 ÷ 2)
77: 4 × 2 + 8 × 2
78: (4 × 2) + 8 × 2
79: 4 × 2 +(8 × 2)
80: (4 × 2) + (8 × 2)
81: 4 × (2 + 8 ÷ 2)
82: 4 × (2 + (8 ÷ 2))
83: 4 + (8 + 2) × 2
84: 4 + ((8 + 2) × 2)
85: 4 × (8 ÷ 2 + 2)
86: 4 × ((8 ÷ 2) + 2)
87: 8 + (2 + 2) × 4
88: 8 + ((2 + 2) × 4)
89: (8 + 2) × 2 + 4
90: ((8 + 2) × 2) + 4
91: 8 + 2 × 2 × 4
92: 8 + (2 × 2) × 4
93: 8 + (2 × 2 × 4)
94: 8 + ((2 × 2) × 4)
95: 8 + (2 × (2 × 4))
96: 8 + 2 ×(2 × 4)
97: 8 × 2 + 2 × 4
98: (8 × 2) + 2 × 4
99: 8 × 2 +(2 × 4)
100: (8 × 2) + (2 × 4)
101: (8 ÷ 2 + 2) × 4
102: ((8 ÷ 2) + 2) × 4
103: 8 ÷ 2 ×(2 + 4)
104: (8 ÷ 2) × (2 + 4)
105: 8 ÷ (2 ÷ (2 + 4))
106: 8 + 2 × 4 × 2
107: 8 + (2 × 4) × 2
108: 8 + (2 × 4 × 2)
109: 8 + ((2 × 4) × 2)
110: 8 + (2 × (4 × 2))
111: 8 + 2 ×(4 × 2)
112: 8 × 2 + 4 × 2
113: (8 × 2) + 4 × 2
114: 8 × 2 +(4 × 2)
115: (8 × 2) + (4 × 2)
116: (8 × (2 + 4)) ÷ 2
117: 8 × (2 + 4) ÷ 2
118: 8 × ((2 + 4) ÷ 2)
119: (8 × 2 - 4) × 2
120: ((8 × 2) - 4) × 2
121: 8 ÷ 2 ×(4 + 2)
122: (8 ÷ 2) × (4 + 2)
123: 8 ÷ (2 ÷ (4 + 2))
124: 8 + (4 × (2 + 2))
125: 8 + 4 ×(2 + 2)
126: 8 + 4 × 2 × 2
127: 8 + (4 × 2) × 2
128: 8 + (4 × 2 × 2)
129: 8 + ((4 × 2) × 2)
130: 8 + (4 × (2 × 2))
131: 8 + 4 ×(2 × 2)
132: (8 × (4 + 2)) ÷ 2
133: 8 × (4 + 2) ÷ 2
134: 8 × ((4 + 2) ÷ 2)
135: 8 × (4 - 2 ÷ 2)
136: 8 × (4 - (2 ÷ 2))
1.(4-2/2)x8
2.(2+2)x4+8
3.4x(8/2+2)
4.2x(2x8-4)
。。。。。。
还有很多，自个儿慢慢算
（4－2÷2）×8=24
（4＋2）×（8÷2）=24
（8＋2）×2＋4=24
（2＋2）×4＋8=24
2×4＋2×8=24
8*(4-2/2)=24
2*8+2*4=24
2*4+8*2=24
(8/2+2)*4=24
绛旓細锛2+2锛*4+8 =4*4+8 =16+8 =24锛2*2*4+8 =4*4+8 =16+8 =24锛2*锛2+8锛+4 =2*10+4 =20+4 =24锛2*锛2*8-4锛=2*锛16-4锛=2*12 =24锛涜繕鏈夛細锛2+4锛*8/2=24锛2*4+2*8=24锛涒︹
绛旓細2/2=1 4-1=3 3*8=24
绛旓細4*(8/2+2)=24 8*(4-2/2)=24 2*8+2*4=24 2*(2+8)+4=24
绛旓細鐢2銆4銆4銆8绠24鐐姣旇緝绠鍗曪紝鍑戞垚4x6鎴栬2x12鍗冲彲:锛2+4锛墄锛8-4锛=6x4=24 锛4-2锛墄锛4+8锛=2x12=24
绛旓細3: 2 脳 2 脳 4 + 8 4: (2 脳 2) 脳 4 + 8 5: (2 脳 2 脳 4) + 8 6: ((2 脳 2) 脳 4) + 8 7: (2 脳 (2 脳 4)) + 8 8: 2 脳 (2 脳 4) + 8 9: (2 脳 (2 + 8)) + 4 10: 2 脳 (2 + 8) + 4 11: 2 脳 (2 脳 8 - 4)12: 2 脳...
绛旓細1: 2 脳 4 + 8 + 8 2: (2 脳 4) + 8 + 8 3: (2 脳 4 + 8) + 8 4: ((2 脳 4) + 8) + 8 5: 2 脳 4 +(8 + 8)6: (2 脳 4) + (8 + 8)7: (2 - 8) 脳 (4 - 8)8: 2 脳 (8 - 4 + 8)9: 2 脳 ((8 - 4) + 8)10: 2...
绛旓細1.(2+2)*4+8 2.2*2*4+8
绛旓細锛4-2梅2锛墄8=24 锛8梅2+2锛墄4=24 8梅2x锛4+2锛=24
绛旓細2 x 2 x 4 + 8 锛 24
绛旓細2脳8+2脳4 锛16锛8锛24
