12.3.8.2怎样运算才会等于24

12.3.8.2怎样运算才会等于24
12.3.8.2怎样运算才会等于24

12.3.8.2怎样运算才会等于24
12×（8－3×2）＝24

12×（8-3×2）=24

1: 12 + 3 × 8 ÷ 2
2: 12 + (3 × 8) ÷ 2
3: 12 + (3 × 8 ÷ 2)
4: 12 + ((3 × 8) ÷ 2)
5: 12 + (3 × (8 ÷ 2))
6: 12 + 3 ×(8 ÷ 2)
7: (12 ÷ 3 + 8) × 2
8: ((12 ÷ 3) + 8) × 2

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1: 12 + 3 × 8 ÷ 2
2: 12 + (3 × 8) ÷ 2
3: 12 + (3 × 8 ÷ 2)
4: 12 + ((3 × 8) ÷ 2)
5: 12 + (3 × (8 ÷ 2))
6: 12 + 3 ×(8 ÷ 2)
7: (12 ÷ 3 + 8) × 2
8: ((12 ÷ 3) + 8) × 2
9: 12 ÷ 3 ×(8 - 2)
10: (12 ÷ 3) × (8 - 2)
11: 12 ÷ (3 ÷ (8 - 2))
12: 12 + 3 ÷ 2 × 8
13: 12 + (3 ÷ 2) × 8
14: 12 + (3 ÷ 2 × 8)
15: 12 + ((3 ÷ 2) × 8)
16: 12 + (3 ÷ (2 ÷ 8))
17: 12 + 3 ÷(2 ÷ 8)
18: 12 + 8 × 3 ÷ 2
19: 12 + (8 × 3) ÷ 2
20: 12 + (8 × 3 ÷ 2)
21: 12 + ((8 × 3) ÷ 2)
22: 12 + (8 × (3 ÷ 2))
23: 12 + 8 ×(3 ÷ 2)
24: (12 - 8) × 3 × 2
25: ((12 - 8) × 3) × 2
26: (12 - 8) × (3 × 2)
27: 12 × (8 - 3 × 2)
28: 12 × (8 - (3 × 2))
29: 12 + 8 ÷ 2 × 3
30: 12 + (8 ÷ 2) × 3
31: 12 + (8 ÷ 2 × 3)
32: 12 + ((8 ÷ 2) × 3)
33: 12 + (8 ÷ (2 ÷ 3))
34: 12 + 8 ÷(2 ÷ 3)
35: (12 - 8) × 2 × 3
36: ((12 - 8) × 2) × 3
37: (12 - 8) × (2 × 3)
38: (12 - 8 ÷ 2) × 3
39: (12 - (8 ÷ 2)) × 3
40: 12 × (8 - 2 × 3)
41: 12 × (8 - (2 × 3))
42: (12 × (8 - 2)) ÷ 3
43: 12 × (8 - 2) ÷ 3
44: 12 × ((8 - 2) ÷ 3)
45: (12 ÷ 2 - 3) × 8
46: ((12 ÷ 2) - 3) × 8
47: (3 × (12 - 8)) × 2
48: 3 × (12 - 8) × 2
49: 3 × ((12 - 8) × 2)
50: 3 × (12 - 8 ÷ 2)
51: 3 × (12 - (8 ÷ 2))
52: (3 × 8 - 12) × 2
53: ((3 × 8) - 12) × 2
54: 3 × 8 ÷ 2 + 12
55: (3 × 8) ÷ 2 + 12
56: (3 × 8 ÷ 2) + 12
57: ((3 × 8) ÷ 2) + 12
58: (3 × (8 ÷ 2)) + 12
59: 3 × (8 ÷ 2) + 12
60: 3 × (2 × (12 - 8))
61: 3 × 2 ×(12 - 8)
62: (3 × 2) × (12 - 8)
63: 3 ÷ 2 × 8 + 12
64: (3 ÷ 2) × 8 + 12
65: (3 ÷ 2 × 8) + 12
66: ((3 ÷ 2) × 8) + 12
67: (3 ÷ (2 ÷ 8)) + 12
68: 3 ÷ (2 ÷ 8) + 12
69: (8 + 12 ÷ 3) × 2
70: (8 + (12 ÷ 3)) × 2
71: 8 × (12 ÷ 2 - 3)
72: 8 × ((12 ÷ 2) - 3)
73: (8 × 3 - 12) × 2
74: ((8 × 3) - 12) × 2
75: (8 - 3 × 2) × 12
76: (8 - (3 × 2)) × 12
77: 8 × 3 ÷ 2 + 12
78: (8 × 3) ÷ 2 + 12
79: (8 × 3 ÷ 2) + 12
80: ((8 × 3) ÷ 2) + 12
81: (8 × (3 ÷ 2)) + 12
82: 8 × (3 ÷ 2) + 12
83: (8 - 2) × 12 ÷ 3
84: ((8 - 2) × 12) ÷ 3
85: (8 - 2) × (12 ÷ 3)
86: (8 - 2 × 3) × 12
87: (8 - (2 × 3)) × 12
88: (8 - 2) ÷ 3 × 12
89: ((8 - 2) ÷ 3) × 12
90: (8 - 2) ÷ (3 ÷ 12)
91: 8 ÷ 2 × 3 + 12
92: (8 ÷ 2) × 3 + 12
93: (8 ÷ 2 × 3) + 12
94: ((8 ÷ 2) × 3) + 12
95: (8 ÷ (2 ÷ 3)) + 12
96: 8 ÷ (2 ÷ 3) + 12
97: 2 × (12 ÷ 3 + 8)
98: 2 × ((12 ÷ 3) + 8)
99: (2 × (12 - 8)) × 3
100: 2 × (12 - 8) × 3
101: 2 × ((12 - 8) × 3)
102: 2 × (3 × (12 - 8))
103: 2 × 3 ×(12 - 8)
104: (2 × 3) × (12 - 8)
105: 2 × (3 × 8 - 12)
106: 2 × ((3 × 8) - 12)
107: 2 × (8 + 12 ÷ 3)
108: 2 × (8 + (12 ÷ 3))
109: 2 × (8 × 3 - 12)
110: 2 × ((8 × 3) - 12)

收起

12/3*(8-2)=24
12*（8-3*2）=24
2*(8*3-12)=24
电脑算24点有专门网址的，
http://www.dffy.com/tool/24.htm
实在算不出来可以参考一下，不过还是建议自己多多思考练习哦！

(12/2-3)*8

(12/3)*(8-2)

12+3×8÷2