1. No category

Four positive fractions

17) 0 ⋅ 2
19) 5
5
1 1
⋅1 ⋅
6
4 3
5 5 5 3
⋅ ⋅ ⋅
9 9 4 4
21) 2 ⋅ 2 ⋅ 2
2 3
⋅
3 8
18) 4
5 3 3 17
⋅ ⋅ ⋅
6 4 5 10
20) 2 ⋅ 2
22) 2
5 3 6
⋅ ⋅
7 4 7
3 5 1 1
⋅ ⋅ ⋅
5 9 2 2
23) 4
11 1
4
⋅4⋅
⋅
7
8 2
24)
25) 5
1
2 1 1
⋅2 ⋅ ⋅
2
3 2 5
26) 2
1 1 5 1
⋅ ⋅ ⋅
6 5 3 8
27) 3
1
1 2 7
⋅5 ⋅ ⋅
2
4 3 10
28) 3
1
1 16 11
⋅5 ⋅
⋅
2
2 9 7
1
3 9
⋅5 ⋅
8
4 7
30) 8 ⋅
29) 6 ⋅ 3
2 11 2 10
⋅
⋅ ⋅
7 7 5 9
3 4 5
⋅ ⋅
5 3 4
31) 5
2 3 13 6
⋅ ⋅
⋅
3 4 7 5
32) 7
7
3 11 1
⋅1 ⋅
⋅
10
8 10 3
33) 2
1 1 3 8
⋅ ⋅ ⋅
5 4 5 9
34) 3
5
1 13 3
⋅5 ⋅
⋅
6
4 8 7
-2-
35) 1
7
1
1 1
⋅2
⋅5 ⋅
10
10
3 2
37) 7 ⋅ 4
1 9 9
⋅ ⋅
6 5 10
36) 5
1 3
5
⋅2⋅ ⋅
6
9 7
38) 2
19 4
1
⋅7⋅
⋅
10 9
2
39) 2
3
4 2 3
⋅5 ⋅ ⋅
10
5 9 4
40) 2 ⋅ 1
41) 4
3
2
4
⋅2⋅5 ⋅2
4
7
5
42) 5
3
9 3 6
⋅2
⋅ ⋅
4
10 2 7
43) 2
6 9
5
⋅8⋅ ⋅
5 5
9
44) 2
3
5
2
⋅5 ⋅2⋅
2
6
9
45) 1
1 1 5 9
⋅ ⋅ ⋅
4 2 6 7
46) 0 ⋅ 1
47) 2 ⋅ 2
49) 1
9
2 4
⋅2 ⋅
10
9 3
1 1 9 4
⋅ ⋅ ⋅
10 5 7 5
51) 10 ⋅ 4
8 9 5
⋅ ⋅
9 5 3
3 7 12
⋅ ⋅
4 9 7
1 13 2
⋅
⋅
4 7 3
48) 2 ⋅
13 8 1
⋅ ⋅
8 9 4
50) 2 ⋅
6 3 9
⋅ ⋅
5 2 10
52) 3
-3-
4
1
7
⋅1
⋅2⋅
3
10
5
54) 4
6 11 1 2
⋅
⋅ ⋅
7 10 2 3
3 1
⋅
5 2
56) 2
1
1 11 3
⋅1 ⋅
⋅
4
2 9 2
57) 2
1
1
3
⋅4 ⋅6⋅
3
3
5
58) 3
4
2 2 3
⋅5 ⋅ ⋅
9
3 3 2
59) 1
4
3
1 7
⋅3 ⋅7 ⋅
7
8
2 5
60) 4
3 1
1
⋅2⋅ ⋅
4
4 2
61) 2
1
4 1 1
⋅1 ⋅ ⋅
6
5 5 8
62) 4
5
2
⋅2⋅9⋅
4
3
63) 4
7
3
3 7
⋅1 ⋅4 ⋅
10
4
4 4
64) 1
1
1
3 2
⋅4 ⋅5 ⋅
4
9
8 7
66) 3
5
1
8
⋅3 ⋅2⋅
4
9
3
53) 3
2
7
1
1
⋅4 ⋅3 ⋅2
9
8
6
2
55) 5 ⋅ 7 ⋅
65) 7 ⋅ 3
5 5 5
⋅ ⋅
6 3 7
67) 2
2
5
2
1
⋅2 ⋅1 ⋅5
3
7
3
2
68) 5
2 1
1
⋅3⋅ ⋅
3
7 6
69) 1
16 11
3
⋅2⋅
⋅
10
9 9
70) 7
1
5 7 1
⋅4 ⋅ ⋅
4
6 5 3
-4-
72) 5
1
1
3 7
⋅2 ⋅4 ⋅
7
2
4 4
74) 4
3
1 1 5
⋅4 ⋅ ⋅
5
2 2 9
7 9 16 6
⋅ ⋅
⋅
9 5 9 7
76) 3
6
6 5 3
⋅3 ⋅ ⋅
7
7 6 4
4
1 5
⋅4 ⋅
9
2 3
78) 4
5
1
5 7
⋅5 ⋅3 ⋅
7
8
6 5
5
1
1 1
⋅5 ⋅4 ⋅
8
3
6 2
80) 2
1
1
1 16
⋅5 ⋅5 ⋅
4
3
5 9
16 1 10
⋅
⋅
9 10 7
82) 5
7 4
5
⋅5⋅ ⋅
6
8 5
83) 3
1
2
1 3
⋅1 ⋅4 ⋅
6
3
8 2
84) 3
7 1 1 3
⋅ ⋅ ⋅
10 8 2 2
85) 1
7
1 8 3
⋅2 ⋅ ⋅
8
6 5 7
86) 4
2
5
3 4
⋅8 ⋅5 ⋅
3
6
4 3
88) 1
7 3
5
⋅6⋅ ⋅
6
8 2
71) 4
5
5 12 7
⋅4 ⋅
⋅
7
9 7 10
73) 3 ⋅
75) 3
3 3 5
⋅ ⋅
2 5 3
77) 2 ⋅ 1
79) 4
81) 2 ⋅
87)
3 5 3 4
⋅ ⋅ ⋅
2 7 2 3
-5-
89) 2
1
1 3 13
⋅5 ⋅ ⋅
2
2 4 7
90) 5
2
1 2 3
⋅1 ⋅ ⋅
3
3 5 4
91) 5
1
7 1 3
⋅1
⋅ ⋅
2
10 3 5
92) 5
4
8
3 2
⋅5 ⋅3 ⋅
5
9
4 3
93) 4
1
1
⋅6⋅2⋅
3
3
94) 4
2 8 3 10
⋅ ⋅ ⋅
5 5 5 7
95) 3 ⋅ 3 ⋅ 5
97) 3
1 4
⋅
6 5
1 3 2 1
⋅ ⋅ ⋅
3 4 5 2
96) 10 ⋅
3 4 1
⋅ ⋅
4 3 6
98) 2 ⋅ 3
3 1 3
⋅ ⋅
4 2 5
4
4
4
⋅3 ⋅5
7
5
9
100) 3
5 1 1 1
⋅ ⋅ ⋅
6 5 2 2
101) 1
1
3 2 3
⋅4
⋅ ⋅
2
10 3 4
102) 2
1
2
5
5
⋅2 ⋅3
⋅6
4
5
11
6
103) 5
5
4 10 2
⋅3 ⋅
⋅
6
7 7 5
104) 5
1
1 3 12
⋅1 ⋅ ⋅
12
3 2 7
2 7 7
⋅ ⋅
9 5 8
106) 1
2
9
5 9
⋅5
⋅5 ⋅
5
11
6 5
99) 2 ⋅ 2
105) 8 ⋅ 3
-6-
107) 2
3
5 7 16
⋅2 ⋅ ⋅
10
8 4 9
108) 2
109) 1
3
1 5 1
⋅6 ⋅ ⋅
8
8 3 5
110) 2 ⋅
111) 6
1
1 1 5
⋅1 ⋅ ⋅
10
6 3 9
112) 6
2 3 7 5
⋅ ⋅
⋅
9 2 11 7
113) 1
2
4 1 10
⋅6 ⋅ ⋅
3
5 3 9
114) 6
5
1 3 5
⋅1 ⋅ ⋅
7
9 2 6
115) 6
5 19 1 3
⋅
⋅ ⋅
12 10 4 2
116) 1
3
2 18 1
⋅6 ⋅
⋅
8
7 11 3
117) 1
5
1
⋅ 7 ⋅ 10 ⋅
2
3
118) 6
1
3 1 11
⋅4 ⋅ ⋅
2
4 4 10
120) 1
1 1
1
⋅2⋅ ⋅
7
2 2
119) 2 ⋅ 4
3 2 4
⋅
⋅
4 11 11
1 3 3 11
⋅ ⋅ ⋅
10 7 5 6
1 1 5
⋅ ⋅
2 2 6
121) 3
8 13 1 8
⋅
⋅ ⋅
9 11 3 7
122) 9 ⋅ 0 ⋅ 3
123) 6
8
1
7
5
⋅3 ⋅5
⋅5
9
6
10
8
124) 1
-7-
2
2
⋅2
5
3
7
7 1 1
⋅3
⋅ ⋅
9
12 5 10
125) 2
3
8 1 20
⋅4 ⋅ ⋅
8
9 3 11
127) 2 ⋅
129) 4
4 2 3
⋅ ⋅
3 5 4
6 5
5
⋅7⋅
⋅
11 6
8
131) 4 ⋅
5 5 2
⋅
⋅
7 12 7
126) 6
3
1 1 13
⋅5 ⋅ ⋅
10
3 3 7
128) 12 ⋅ 2 ⋅
130) 2
1 16
⋅
7 9
1
1
1
⋅4
⋅2⋅
3
3
12
132) 7 ⋅ 4
2 8 5
⋅ ⋅
3 9 6
133) 1
3 1 5 4
⋅ ⋅ ⋅
5 5 3 3
134) 4
135) 3
3 5 3 9
⋅ ⋅ ⋅
4 4 2 10
136) 2 ⋅ 2 ⋅
137) 4
2
6 5 1
⋅3 ⋅ ⋅
7
7 3 3
138) 6
17 3
1
⋅7⋅
⋅
7
12 4
139) 3
1 4 1 7
⋅
⋅ ⋅
6 11 2 9
140) 4
2
7
5 1
⋅1
⋅4
⋅
3
10
12 10
11 3 5 9
⋅ ⋅ ⋅
7 2 8 11
142) 6
7 23
3
⋅2⋅ ⋅
4
8 12
141)
-8-
7 1 1 17
⋅ ⋅ ⋅
12 3 6 11
1 9
⋅
3 7
143) 1
7
2
7 3
⋅6 ⋅1 ⋅
12
3
8 8
145) 11 ⋅ 5 ⋅ 8 ⋅
10
9
144) 1
2
2
4 7
⋅1 ⋅1 ⋅
3
5
5 12
146) 11 ⋅ 1
1 7 3
⋅
⋅
2 12 4
8 7
5
⋅ 11 ⋅ ⋅
7 5
12
148) 2
2
1 5 1
⋅ 12 ⋅ ⋅
3
2 3 3
149) 7 ⋅ 4
5
1 4
⋅4
⋅
7
12 3
150) 5
1 9 1 5
⋅
⋅ ⋅
9 11 4 4
151) 2 ⋅ 5
5 3 13
⋅ ⋅
6 2 9
152) 6
1
1 5 1
⋅4
⋅ ⋅
9
10 4 3
147) 6
153) 5 ⋅
4 18 3
⋅
⋅
5 11 2
154) 2 ⋅ 2 ⋅ 2 ⋅
155) 6 ⋅
3 7 5
⋅ ⋅
2 6 3
156) 5
157) 2 ⋅ 5
4
11
⋅9⋅
12
3
159) 10 ⋅ 6
4 1 7
⋅ ⋅
11 2 4
7
1
1 17
⋅6 ⋅4 ⋅
8
2
4 9
158) 3 ⋅ 6
160)
-9-
2
11
1 1 4
⋅ ⋅
2 7 3
6 1 1 5
⋅
⋅ ⋅
5 11 2 3
161) 3
5 18
3
⋅2⋅ ⋅
11
3 11
162) 2
2
4 2 3
⋅1 ⋅ ⋅
5
5 9 7
163) 9
6 11 19 1
⋅
⋅
⋅
11 10 12 8
164) 6
11 7
7
⋅2⋅
⋅
9 4
11
165) 3
2 1 3 3
⋅
⋅ ⋅
3 12 2 2
166) 6
1
1
6 19
⋅4 ⋅2 ⋅
2
4
7 11
167) 2
5
9
7 4
⋅1
⋅5
⋅
7
10
10 9
168) 6
1 5 3 4
⋅ ⋅ ⋅
2 4 2 7
169) 2
1
3 5 16
⋅4 ⋅ ⋅
12
4 4 11
170) 3
5 1 5 3
⋅ ⋅ ⋅
8 8 4 5
171) 4
1
2 4 5
⋅6 ⋅ ⋅
4
5 5 3
172) 1
3
1
11 13
⋅3 ⋅3
⋅
8
2
12 10
173) 2
8 9 3 1
⋅
⋅ ⋅
11 10 2 5
174) 2
1
1
2 6
⋅4 ⋅3 ⋅
2
6
5 5
175) 1
5
1
8
4
⋅2 ⋅3
⋅3
9
8
11
5
176) 2
1
1 1
⋅8⋅2 ⋅
2
6 8
177) 2 ⋅ 2
7 13 5
⋅
⋅
8 12 11
178)
-10-
19 15 5 3
⋅
⋅ ⋅
10 8 6 5
179) 4
1 10 13 1
⋅
⋅
⋅
2 7 12 2
180) 3
1 1 4 7
⋅ ⋅ ⋅
2 5 3 4
181) 1
1 4 5 1
⋅ ⋅ ⋅
7 3 3 2
182) 9
7
3 19 5
⋅5 ⋅
⋅
12
8 11 3
183) 3
4
1
1
⋅1 ⋅2⋅
3
6
4
184) 7 ⋅ 1
185) 2
7
3 8 1
⋅2 ⋅ ⋅
8
4 5 3
186) 1
5
1
3 5
⋅2
⋅4
⋅
12
12
11 6
187) 1
1 13 7 5
⋅
⋅ ⋅
2 7 6 12
188) 1
2
3
3 7
⋅2 ⋅1 ⋅
3
4
7 4
189) 5
5
5
5
⋅4 ⋅2⋅
12
7
4
190) 2 ⋅
191) 2
7
3
9 1
⋅4 ⋅5
⋅
9
4
10 5
192) 5
2
3 1 3
⋅1
⋅ ⋅
9
10 8 7
193) 5
3 7 2 2
⋅ ⋅ ⋅
10 5 3 3
194) 5
1
5 13 3
⋅5 ⋅
⋅
2
8 7 4
195) 1
4
1 3
⋅0⋅5 ⋅
5
8 4
196) 6
7
1
5
7
⋅3 ⋅4 ⋅2
9
7
6
9
-11-
3 1 4
⋅ ⋅
11 7 3
9 4 11
⋅ ⋅
10 7 8
197) 3
7
2 4 14
⋅1 ⋅ ⋅
9
3 3 9
198) 9 ⋅ 4
199) 5
1 1 1 1
⋅ ⋅ ⋅
7 8 3 6
200) 6
3
5 1 2
⋅1
⋅
⋅
4
12 12 3
201) 1
7
10 9 4
⋅4
⋅ ⋅
16
13 5 3
202) 6
6
2 1 17
⋅4 ⋅ ⋅
7
5 2 14
203) 2 ⋅ 7
1 6 1
⋅ ⋅
14 5 6
204) 18 ⋅
3
1 12
⋅1 ⋅
11
2 7
1 22 8
⋅
⋅
10 17 5
205) 7
1
14
5 1
⋅4
⋅4 ⋅
4
17
6 7
206) 1
1
9
10 3
⋅7
⋅1
⋅
6
10
13 2
207) 6
1
1
1
1
⋅2 ⋅6 ⋅2
3
2
4
6
208) 7
1
9
⋅ 10 ⋅ 12 ⋅
10
4
209) 2
1
7
9 8
⋅8 ⋅4
⋅
7
8
17 15
210) 6
1
6 5 5
⋅7 ⋅ ⋅
6
7 6 7
211) 2
8 7
3
⋅3⋅
⋅
10
13 4
212) 8
1
1 7 3
⋅6 ⋅ ⋅
2
4 4 8
214) 9
1
7 33 31
⋅3 ⋅
⋅
11
8 17 18
213)
5 1 16 3
⋅ ⋅
⋅
6 2 13 7
-12-
11 3 17
⋅ ⋅
18 8 18
216) 5 ⋅
217) 3
9 2 2 9
⋅
⋅
⋅
11 15 13 7
218) 2
219) 8
7
1 9 6
⋅5 ⋅
⋅
12
2 17 7
220) 2 ⋅ 8 ⋅ 8
221) 3
5 11 1 9
⋅
⋅ ⋅
7 8 2 5
222) 7
215) 4 ⋅ 9
223) 2 ⋅ 11
2 3 1
⋅ ⋅
15 2 3
19 3 5
⋅ ⋅
16 2 4
5
4
⋅ 13 ⋅ 15 ⋅
3
7
3 7
⋅
14 18
4
5 1 19
⋅4 ⋅ ⋅
13
8 5 15
224) 14
13 5 1 9
⋅ ⋅ ⋅
15 4 3 5
225) 9
13 23 2 11
⋅
⋅ ⋅
15 12 5 8
226) 5
227) 4
5 17 6 1
⋅
⋅ ⋅
9 11 7 2
228) 12 ⋅ 2
229) 5
1
3 1 8
⋅9
⋅ ⋅
4
10 2 9
230) 6
1
1 5 2
⋅4 ⋅ ⋅
10
6 4 13
231) 5
4
11 5 1
⋅5
⋅ ⋅
9
13 8 3
232) 6
2 13
6
⋅2⋅ ⋅
11
5 10
-13-
5
2
5
⋅ 13 ⋅ 4 ⋅ 8
6
5
6
7
4 3
⋅6 ⋅
12
7 2
233) 2 ⋅ 1
1
5
⋅6
⋅ 13
2
17
234) 4
2
5
1 6
⋅ 12 ⋅ 9
⋅
3
8
10 7
11
5 9 12
⋅5
⋅ ⋅
15
12 5 7
235) 1
11 5
14
⋅2⋅
⋅
9 4
15
236) 3
237) 6
14
5
5 28
⋅6
⋅1
⋅
15
11
12 15
238)
3 11 25 4
⋅
⋅
⋅
5 18 17 17
1
2 19
⋅9
⋅
3
11 14
240) 1
2 7 6 5
⋅
⋅
⋅
13 13 13 3
241) 9
2
5
1 8
⋅2 ⋅3 ⋅
9
8
8 7
242) 5
7
2
13
⋅6
⋅ 11 ⋅
4
3
15
243) 4
7
5
3 1
⋅8
⋅1
⋅
9
12
11 6
244) 6
1
1
1 6
⋅6 ⋅8
⋅
8
4
18 5
245) 7
5
5
5
9
⋅7
⋅7
⋅2
8
16
14
10
246) 5
13 4 7 9
⋅ ⋅ ⋅
16 3 4 5
247) 6
7 4 13 3
⋅ ⋅
⋅
9 5 9 2
248) 6
13 3 13 7
⋅ ⋅
⋅
18 4 10 13
249) 1
1
11 3 2
⋅2
⋅ ⋅
12
12 8 13
250) 8
11
13 4 12
⋅9
⋅ ⋅
15
14 5 7
239) 7 ⋅ 9
-14-
251) 1
253)
1
1
2 1
⋅5 ⋅2 ⋅
2
8
3 14
9 28 5 3
⋅
⋅
⋅
5 17 13 2
252) 9
1
3
1 5
⋅8 ⋅6 ⋅
3
4
9 16
254) 9
1
4 5 5
⋅4
⋅ ⋅
4
17 6 16
255) 6
16
1 1 8
⋅7 ⋅ ⋅
17
6 3 5
256) 2
3 7
2
⋅7⋅ ⋅
7 15
15
257) 2
7
5
2
⋅4 ⋅2⋅
8
3
12
258) 9
1
12 7 23
⋅7
⋅
⋅
4
13 18 13
259) 7
7 13
8
⋅6⋅ ⋅
5 16
15
260) 1
11
1
2 1
⋅6 ⋅2 ⋅
14
7
5 13
261) 7
13
1 6 6
⋅2 ⋅ ⋅
15
4 5 7
262) 1
1 1 3 1
⋅ ⋅ ⋅
3 4 8 2
264) 6
4
2 3 13
⋅9 ⋅ ⋅
15
9 8 11
5
5 15 2
⋅5
⋅
⋅
6
11 8 3
263)
1 3 9 3
⋅
⋅
⋅
2 11 10 2
265) 9
2
1 12 7
⋅3 ⋅
⋅
9
5 17 6
266) 5
267) 1
11 5 8 7
⋅ ⋅ ⋅
16 4 5 12
268) 2 ⋅ 9
-15-
3 31 3
⋅
⋅
8 17 10
269) 5
2 1 3 17
⋅ ⋅ ⋅
11 2 2 10
270) 11
5
8 29 9
⋅5
⋅
⋅
6
17 17 13
11 23 26
⋅
⋅
12 15 17
272) 3
8 4 3 17
⋅ ⋅ ⋅
15 9 5 9
273) 6
1
6 3 13
⋅5
⋅ ⋅
14
13 4 15
274) 7
5 1 23 9
⋅ ⋅
⋅
7 2 17 11
275) 6
11 7 35 21
⋅
⋅
⋅
14 16 18 17
276) 3
11
9
1
14
⋅7
⋅5
⋅9
12
10
10
17
277) 6
7
1
4 5
⋅9
⋅3 ⋅
11
10
5 6
278) 6
3
6 5 21
⋅3
⋅
⋅
10
13 13 16
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285) 9 ⋅ 9
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286) 2 ⋅ 8
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14 1 5
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1
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1
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288) 3
9
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10
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289) 7
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290) 2
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291) 5
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292) 6
2
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9
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293) 1
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294) 2 ⋅ 2 ⋅ 17
295) 3
7
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296) 9
7
8
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297) 7
2
10
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3
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8
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9
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1
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4
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4 2 1 5
⋅ ⋅ ⋅
7 3 3 3
301) 2
5
4
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8
7
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⋅
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303) 1
1
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16
11
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4
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9
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6
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13
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15
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19
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309) 10
311) 2
11
1
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19
18
7
5
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5
9
11
1
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16
10
19
10
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7 7 5 5
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17 6 9 16
14 3 15
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1
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312) 2 ⋅ 2
1
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9
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315) 5
11
2
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3
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1
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8
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11
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⋅
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⋅
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4
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5
7
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7
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369) 5
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7
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4
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9
11
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7
3
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11
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9
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1
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15
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3
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11
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⋅
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8
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11
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12
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3
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16
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9
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1
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5
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6
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3
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13
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15
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8 3 9
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6 1 1 3
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19 2 3 2
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5
2
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13
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17 14 2 5
19 13 5
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2
7
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7
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7
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1
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12
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7 9 7 30
⋅
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17
13
9
7
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20
15
19
10
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7
7
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10
12
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13
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⋅
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12
2
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7
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18
15
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11
16
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2 9 4 29
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11
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18
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1
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3
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16
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14
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1
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10 19 11
MATHEMANIA.COM
Multiplication of fractions
Find the product of four positive fractions
1) 8 ⋅ 1
6
3) 4
3
7 15 4
⋅2 ⋅
⋅
4
8 8 5
9) 3
11) 2
8) 2
9 2 3
⋅ ⋅
5 5 2
2
25
10) 7 ⋅
12) 4
1 15 15
⋅
⋅
3 8 8
13
64
2
3
1 1
⋅9 ⋅3 ⋅
3
7
2 2
77
14) 3
1 3 1 6
⋅ ⋅ ⋅
2 7 4 7
9
28
4
5
3
3
1 3
⋅4 ⋅1 ⋅
4
7
2 2
37
2 9 3 3
⋅ ⋅ ⋅
3 5 5 8
1
167
343
13) 10 ⋅
10
6 2
1
⋅2⋅ ⋅
7
5 7
8
6
1 10 12
⋅4 ⋅
⋅
7
2 7 7
7
45
192
245
7
9
31
15) 3
6) 1
158
175
3
1
5 1
⋅1 ⋅1 ⋅
5
3
8 3
1
7
8
4 1
1
⋅7⋅ ⋅
3
3 4
7
4) 1
55
64
2
1
3
⋅5 ⋅7⋅
2
8
7
26
2
3
1
⋅5 ⋅3⋅
5
7
5
46
89
96
11
7) 2
2) 7
6
7
5
2 3 1
⋅1 ⋅ ⋅
8
3 4 3
1
5) 2
3 3 5
⋅ ⋅
5 4 7
16) 8 ⋅ 2 ⋅
41
112
10
-1-
5 1
⋅
4 2
17) 0 ⋅ 2
5
1 1
⋅1 ⋅
6
4 3
18) 4
0
19) 5
2
3
5 5 5 3
⋅ ⋅ ⋅
9 9 4 4
3
2 3
⋅
3 8
22) 2
11 1
4
⋅4⋅
⋅
7
8 2
12
25) 5
1
27) 3
8
33) 2
24
49
3 5 1 1
⋅ ⋅ ⋅
5 9 2 2
2 11 2 10
⋅
⋅ ⋅
7 7 5 9
88
441
1
2 1 1
⋅2 ⋅ ⋅
2
3 2 5
26) 2
1 1 5 1
⋅ ⋅ ⋅
6 5 3 8
13
144
7
15
1
1 2 7
⋅5 ⋅ ⋅
2
4 3 10
28) 3
23
40
138
9
24)
4
7
29) 6 ⋅ 3
31) 5
5 3 6
⋅ ⋅
7 4 7
13
36
4
23) 4
279
400
20) 2 ⋅ 2
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