4、9、12、1这些要等于24,怎么算?

(4脳9-12)脳1=24
4+9+12-1=24
1:4 + 9 + 12 - 1
2:(4 + 9) + 12 - 1
3:(4 + 9 + 12) - 1
4:((4 + 9) + 12) - 1
5:(4 + (9 + 12)) - 1
6:4 + (9 + 12) - 1
7:4 + (9 + 12 - 1)
8:4 + ((9 + 12) - 1)
9:4 + (9 + (12 - 1))
10:4 + 9 +(12 - 1)
11:(4 + 9) + (12 - 1)
12:4 脳 9 - 12 脳 1
13:(4 脳 9) - 12 脳 1
14:(4 脳 9 - 12) 脳 1
15:((4 脳 9) - 12) 脳 1
16:4 脳 9 -(12 脳 1)
17:(4 脳 9) - (12 脳 1)
18:4 脳 9 - 12 梅 1
19:(4 脳 9) - 12 梅 1
20:(4 脳 9 - 12) 梅 1
21:((4 脳 9) - 12) 梅 1
22:4 脳 9 -(12 梅 1)
23:(4 脳 9) - (12 梅 1)
24:4 + 9 - 1 + 12
25:(4 + 9) - 1 + 12
26:(4 + 9 - 1) + 12
27:((4 + 9) - 1) + 12
28:(4 + (9 - 1)) + 12
29:4 + (9 - 1) + 12
30:4 + (9 - 1 + 12)
31:4 + ((9 - 1) + 12)
32:4 + (9 - (1 - 12))
33:4 + 9 -(1 - 12)
34:(4 + 9) - (1 - 12)
35:4 脳 9 - 1 脳 12
36:(4 脳 9) - 1 脳 12
37:4 脳 9 -(1 脳 12)
38:(4 脳 9) - (1 脳 12)
39:4 脳 9 脳 1 - 12
40:(4 脳 9) 脳 1 - 12
41:(4 脳 9 脳 1) - 12
42:((4 脳 9) 脳 1) - 12
43:(4 脳 (9 脳 1)) - 12
44:4 脳 (9 脳 1) - 12
45:4 脳 9 梅 1 - 12
46:(4 脳 9) 梅 1 - 12
47:(4 脳 9 梅 1) - 12
48:((4 脳 9) 梅 1) - 12
49:(4 脳 (9 梅 1)) - 12
50:4 脳 (9 梅 1) - 12
51:4 + 12 + 9 - 1
52:(4 + 12) + 9 - 1
53:(4 + 12 + 9) - 1
54:((4 + 12) + 9) - 1
55:(4 + (12 + 9)) - 1
56:4 + (12 + 9) - 1
57:4 + (12 + 9 - 1)
58:4 + ((12 + 9) - 1)
59:4 + (12 + (9 - 1))
60:4 + 12 +(9 - 1)
61:(4 + 12) + (9 - 1)
62:4 + 12 - 1 + 9
63:(4 + 12) - 1 + 9
64:(4 + 12 - 1) + 9
65:((4 + 12) - 1) + 9
66:(4 + (12 - 1)) + 9
67:4 + (12 - 1) + 9
68:4 + (12 - 1 + 9)
69:4 + ((12 - 1) + 9)
70:4 + (12 - (1 - 9))
71:4 + 12 -(1 - 9)
72:(4 + 12) - (1 - 9)
73:4 - 1 + 9 + 12
74:(4 - 1) + 9 + 12
75:(4 - 1 + 9) + 12
76:((4 - 1) + 9) + 12
77:4 - 1 +(9 + 12)
78:(4 - 1) + (9 + 12)
79:(4 - (1 - 9)) + 12
80:4 - (1 - 9) + 12
81:4 - (1 - (9 + 12))
82:4 - (1 - 9 - 12)
83:4 - ((1 - 9) - 12)
84:4 脳 1 脳 9 - 12
85:(4 脳 1) 脳 9 - 12
86:(4 脳 1 脳 9) - 12
87:((4 脳 1) 脳 9) - 12
88:(4 脳 (1 脳 9)) - 12
89:4 脳 (1 脳 9) - 12
90:4 梅 1 脳 9 - 12
91:(4 梅 1) 脳 9 - 12
92:(4 梅 1 脳 9) - 12
93:((4 梅 1) 脳 9) - 12
94:(4 梅 (1 梅 9)) - 12
95:4 梅 (1 梅 9) - 12
96:4 - 1 + 12 + 9
97:(4 - 1) + 12 + 9
98:(4 - 1 + 12) + 9
99:((4 - 1) + 12) + 9
100:4 - 1 +(12 + 9)
101:(4 - 1) + (12 + 9)
102:(4 - (1 - 12)) + 9
103:4 - (1 - 12) + 9
104:4 - (1 - (12 + 9))
105:4 - (1 - 12 - 9)
106:4 - ((1 - 12) - 9)
107:9 + 4 + 12 - 1
108:(9 + 4) + 12 - 1
109:(9 + 4 + 12) - 1
110:((9 + 4) + 12) - 1
111:(9 + (4 + 12)) - 1
112:9 + (4 + 12) - 1
113:9 + (4 + 12 - 1)
114:9 + ((4 + 12) - 1)
115:9 + (4 + (12 - 1))
116:9 + 4 +(12 - 1)
117:(9 + 4) + (12 - 1)
118:9 脳 4 - 12 脳 1
119:(9 脳 4) - 12 脳 1
120:(9 脳 4 - 12) 脳 1
121:((9 脳 4) - 12) 脳 1
122:9 脳 4 -(12 脳 1)
123:(9 脳 4) - (12 脳 1)
124:9 脳 4 - 12 梅 1
125:(9 脳 4) - 12 梅 1
126:(9 脳 4 - 12) 梅 1
127:((9 脳 4) - 12) 梅 1
128:9 脳 4 -(12 梅 1)
129:(9 脳 4) - (12 梅 1)
130:9 + 4 - 1 + 12
131:(9 + 4) - 1 + 12
132:(9 + 4 - 1) + 12
133:((9 + 4) - 1) + 12
134:(9 + (4 - 1)) + 12
135:9 + (4 - 1) + 12
136:9 + (4 - 1 + 12)
137:9 + ((4 - 1) + 12)
138:9 + (4 - (1 - 12))
139:9 + 4 -(1 - 12)
140:(9 + 4) - (1 - 12)
141:9 脳 4 - 1 脳 12
142:(9 脳 4) - 1 脳 12
143:9 脳 4 -(1 脳 12)
144:(9 脳 4) - (1 脳 12)
145:9 脳 4 脳 1 - 12
146:(9 脳 4) 脳 1 - 12
147:(9 脳 4 脳 1) - 12
148:((9 脳 4) 脳 1) - 12
149:(9 脳 (4 脳 1)) - 12
150:9 脳 (4 脳 1) - 12
151:9 脳 4 梅 1 - 12
152:(9 脳 4) 梅 1 - 12
153:(9 脳 4 梅 1) - 12
154:((9 脳 4) 梅 1) - 12
155:(9 脳 (4 梅 1)) - 12
156:9 脳 (4 梅 1) - 12
157:9 + 12 + 4 - 1
158:(9 + 12) + 4 - 1
159:(9 + 12 + 4) - 1
160:((9 + 12) + 4) - 1
161:(9 + (12 + 4)) - 1
162:9 + (12 + 4) - 1
163:9 + (12 + 4 - 1)
164:9 + ((12 + 4) - 1)
165:9 + (12 + (4 - 1))
166:9 + 12 +(4 - 1)
167:(9 + 12) + (4 - 1)
168:9 + 12 - 1 + 4
169:(9 + 12) - 1 + 4
170:(9 + 12 - 1) + 4
171:((9 + 12) - 1) + 4
172:(9 + (12 - 1)) + 4
173:9 + (12 - 1) + 4
174:9 + (12 - 1 + 4)
175:9 + ((12 - 1) + 4)
176:9 + (12 - (1 - 4))
177:9 + 12 -(1 - 4)
178:(9 + 12) - (1 - 4)
179:9 - 1 + 4 + 12
180:(9 - 1) + 4 + 12
181:(9 - 1 + 4) + 12
182:((9 - 1) + 4) + 12
183:9 - 1 +(4 + 12)
184:(9 - 1) + (4 + 12)
185:(9 - (1 - 4)) + 12
186:9 - (1 - 4) + 12
187:9 - (1 - (4 + 12))
188:9 - (1 - 4 - 12)
189:9 - ((1 - 4) - 12)
190:(9 - 1) 梅 4 脳 12
191:((9 - 1) 梅 4) 脳 12
192:(9 - 1) 梅 (4 梅 12)
193:9 脳 1 脳 4 - 12
194:(9 脳 1) 脳 4 - 12
195:(9 脳 1 脳 4) - 12
196:((9 脳 1) 脳 4) - 12
197:(9 脳 (1 脳 4)) - 12
198:9 脳 (1 脳 4) - 12
199:9 梅 1 脳 4 - 12
200:(9 梅 1) 脳 4 - 12
201:(9 梅 1 脳 4) - 12
202:((9 梅 1) 脳 4) - 12
203:(9 梅 (1 梅 4)) - 12
204:9 梅 (1 梅 4) - 12
205:9 - 1 + 12 + 4
206:(9 - 1) + 12 + 4
207:(9 - 1 + 12) + 4
208:((9 - 1) + 12) + 4
209:9 - 1 +(12 + 4)
210:(9 - 1) + (12 + 4)
211:(9 - (1 - 12)) + 4
212:9 - (1 - 12) + 4
213:9 - (1 - (12 + 4))
214:9 - (1 - 12 - 4)
215:9 - ((1 - 12) - 4)
216:(9 - 1) 脳 12 梅 4
217:((9 - 1) 脳 12) 梅 4
218:(9 - 1) 脳 (12 梅 4)
219:12 + 4 + 9 - 1
220:(12 + 4) + 9 - 1
221:(12 + 4 + 9) - 1
222:((12 + 4) + 9) - 1
223:(12 + (4 + 9)) - 1
224:12 + (4 + 9) - 1
225:12 + (4 + 9 - 1)
226:12 + ((4 + 9) - 1)
227:12 + (4 + (9 - 1))
228:12 + 4 +(9 - 1)
229:(12 + 4) + (9 - 1)
230:12 梅 4 脳(9 - 1)
231:(12 梅 4) 脳 (9 - 1)
232:12 梅 (4 梅 (9 - 1))
233:12 + 4 - 1 + 9
234:(12 + 4) - 1 + 9
235:(12 + 4 - 1) + 9
236:((12 + 4) - 1) + 9
237:(12 + (4 - 1)) + 9
238:12 + (4 - 1) + 9
239:12 + (4 - 1 + 9)
240:12 + ((4 - 1) + 9)
241:12 + (4 - (1 - 9))
242:12 + 4 -(1 - 9)
243:(12 + 4) - (1 - 9)
244:12 + 9 + 4 - 1
245:(12 + 9) + 4 - 1
246:(12 + 9 + 4) - 1
247:((12 + 9) + 4) - 1
248:(12 + (9 + 4)) - 1
249:12 + (9 + 4) - 1
250:12 + (9 + 4 - 1)
251:12 + ((9 + 4) - 1)
252:12 + (9 + (4 - 1))
253:12 + 9 +(4 - 1)
254:(12 + 9) + (4 - 1)
255:12 + 9 - 1 + 4
256:(12 + 9) - 1 + 4
257:(12 + 9 - 1) + 4
258:((12 + 9) - 1) + 4
259:(12 + (9 - 1)) + 4
260:12 + (9 - 1) + 4
261:12 + (9 - 1 + 4)
262:12 + ((9 - 1) + 4)
263:12 + (9 - (1 - 4))
264:12 + 9 -(1 - 4)
265:(12 + 9) - (1 - 4)
266:(12 脳 (9 - 1)) 梅 4
267:12 脳 (9 - 1) 梅 4
268:12 脳 ((9 - 1) 梅 4)
269:12 - 1 + 4 + 9
270:(12 - 1) + 4 + 9
271:(12 - 1 + 4) + 9
272:((12 - 1) + 4) + 9
273:12 - 1 +(4 + 9)
274:(12 - 1) + (4 + 9)
275:(12 - (1 - 4)) + 9
276:12 - (1 - 4) + 9
277:12 - (1 - (4 + 9))
278:12 - (1 - 4 - 9)
279:12 - ((1 - 4) - 9)
280:12 - 1 + 9 + 4
281:(12 - 1) + 9 + 4
282:(12 - 1 + 9) + 4
283:((12 - 1) + 9) + 4
284:12 - 1 +(9 + 4)
285:(12 - 1) + (9 + 4)
286:(12 - (1 - 9)) + 4
287:12 - (1 - 9) + 4
288:12 - (1 - (9 + 4))
289:12 - (1 - 9 - 4)
290:12 - ((1 - 9) - 4)
291:1 脳 4 脳 9 - 12
292:(1 脳 4) 脳 9 - 12
293:(1 脳 4 脳 9) - 12
294:((1 脳 4) 脳 9) - 12
295:(1 脳 (4 脳 9)) - 12
296:1 脳 (4 脳 9) - 12
297:1 脳 (4 脳 9 - 12)
298:1 脳 ((4 脳 9) - 12)
299:1 脳 9 脳 4 - 12
300:(1 脳 9) 脳 4 - 12
301:(1 脳 9 脳 4) - 12
302:((1 脳 9) 脳 4) - 12
303:(1 脳 (9 脳 4)) - 12
304:1 脳 (9 脳 4) - 12
305:1 脳 (9 脳 4 - 12)
306:1 脳 ((9 脳 4) - 12)

4*9*1-12

4×9-12×1

4+9+12-1=24

【（4*9）-12】*1

12+9+4-1

4+9+12-1=24

(4×9-12)×1=24

（4乘9 -12）乘1

[(9-1)/4]*12