, , , , . , . , .
. , - . , , , . , , , , , .
, 8 , — 10— 12 .
. 1. . | . 2. | . 3. | . 4. |
---|
. . , ( ).
.1 . , . , - 2—3 . . , - .
- ( ):
() — 19,5
() — 48
() —44
()—50
() - 42
()—76
()— 19,5
() — 67
, 48 (. 2).
|
1/3+8 |
24 |
. 48:3+8=24 |
|
42 |
42 | |||
1/2-3 |
18 |
1/2 — 3 (42 : 2—3=1 ) | ||
78 |
. ,,, | |||
1 |
1/-1 |
11 |
1/2 1 (24:2— 1=11 ) 1 | |
1 |
- |
3 |
3 1, 1. 1 1 1. 1 1 2 | |
|
1/3+1 |
7,5 |
1/3 +1 (19,5:3+ +1=7,5 ) |
|
1 |
1/3 |
2,5 |
1/3 , 2,5 , 1 | |
+1,5 |
21 |
19,5+1,5=21 . 2 3= | ||
34 |
1/4+2 |
14 |
1/4 +2 (48:4 + 2 =14 ) 4. 1=3 4 | |
41 |
- |
- |
1 4 | |
2 |
- |
4 |
4 2 | |
23 1 |
- - |
2 0,5 |
2 2 3, 1 3 , 0,5 , 1. 1 1 3— | |
24 1 32 |
1/223 - - |
- 2 1 |
2 4 2 1 3 1 2 |
|
|
13 |
1/3 |
16 |
|
|
13 |
13+1 |
17 |
1 13+1=17 3 12=13 1, 2, 3, 3,2 : ,1,2,1,1,1,2,3,3,2,1,4,3,1,1, |
: |
25 |
+8 |
56 |
2 , , 48+8=5 , 5 |
|
35 |
1/4+2 |
14 |
3 , ? +2=14 5 |
1 |
- |
9 |
1, 4
: 1=1/34 5+2=9 |
|
+1,5 |
9 |
, +1,5 (7,5+ 1,5=9 ), |
||
1 |
1/ |
12 |
1/4 (48:4=12 ) 1, 5 | |
2 23 |
- 1/22 |
1 4 |
1 2 -
. , 2—3 . 3, 1 . 2 . , , 2 1 , 1 = 1/4 —1 , . |
|
|
26 |
13-1 |
16 |
2, 5 , 1 (17—1=16 ) |
46 |
1/16+! |
4 |
4 1/16 + 1 (48:16+1=4 ) 6 6 , 0,75 . |
|
13 |
- |
1 |
1 1 3 | |
47
|
1/234-2 |
5 |
4 , 5, 7 | |
34 |
- |
2 |
3 2 4. | |
2 |
- |
- |
4 2, 2 | |
24 |
1/2+2 |
19 |
2 1/3 + 2 (50: 3 + 2 = 19 ) 4 |
|
|
23 |
34 |
- |
3, 4, 4, 3 . |
23 |
1/2 |
22 |
2 1/2 (44:2=22) 5 | |
26 |
- |
1 |
2 1 6, 5, 65 | |
- | 4 |
1/8-1,5 |
4,5 |
4 (48 :8— 1,5) 4,5 |
1 |
1/8+5 |
11 |
= 48 :8 + 5=11 1 | |
12 |
- |
3 |
1 3 2 |
|
I | 34 |
- |
2 |
1 4, — 3. 3= 4 |
23 |
- |
2 |
3 4, . . 2 . 4, 3, 2, 5, 4 | |
. |
6 |
1/4 |
11 |
6 1/4 (44:4= 11 ) |
12 |
1/3 |
16 |
6 5 8 1, 2. = 1/3 . 2—3 , , |
|
13 |
1/8+1 |
7 |
1 48 : 8 + 1=7 , 3 35 1 2. 25 = 7 | |
43 |
- |
3 |
3 (: 25=11) | |
4 |
- |
4 |
1 4, 7. | |
21 |
- |
1,5 |
1 — 0,5 1, 2. | |
|
16 |
- |
1 |
1 1 6 |
6n |
- |
1 |
6 21 =1/3+5 (48:3+ 5 = 21 ) n - . n1 | |
n1n2 |
- |
1 |
n1, n2 = 1 . n, n2, , n1, n | |
57 |
- |
3,5 |
5 3,5 , 7. 57 = 5. 55. , .2 | |
11 |
- |
6,5 |
1 6,5 1, 7, 3. 8 | |
89 |
- |
6 |
8 9 |
|
2 |
- |
3 |
2 3 | |
|
1 |
+2,5 |
10 |
9 . 10 1 |
12 |
- |
6 |
1 19 2, | |
23 |
1/8+3 |
9 |
2 , 1/8 +3 (48:8+3=9 ), 3 | |
1 |
- |
4 |
1 13 4 |
|
4 |
- |
- |
4 4 |
|
43 |
- |
- |
4, 3, 1—1,5 , . 2. | |
|
25 |
- |
3,5 |
2 3,5 5, , |
, , .
( )
, 48
- |
||||
|
1 |
1/3+8 |
24 |
.
|
67 |
67 . | |||
1 |
- |
3 |
3 1 |
|
|
37+ 23+53:2
|
3 7, 6 7 , , 2 (22 + 18:2 = 20—2 = 18 ) |
||
|
1/16+1 |
4 |
4 (=46 ) |
|
1/21 |
25,5 |
1 (51 : 2 = 25,5 ) 25,5 . 1, 1 |
||
1/21 |
12 |
1/2 1 , |
||
1/2 |
6 |
(12:2= 6) | ||
n |
:2 |
- |
n, 2,5 . n,n1 , , . 3. |
|
|
1 |
1/311 |
6 |
1 , 1/3 11(18 : 3 =6 ), |
1 |
- |
3 |
3 1, , 1 1 1 . 2. , 1, 2, |
|
12 |
- |
1 |
||
2 |
- |
3,5 |
3,5 2 | |
2 |
- |
1,5 |
1,5 2, 1 | |
23 13 |
- - |
3 3 |
2 3 3, 2 3 (23 = 13) | |
2 |
1/3 |
16 |
48: 3 = 16 2, 1, 3 : , 2,1, , n1, , 2, 3, 3, 2, 1,1, . |
|
|
3 38 |
- |
2,5 |
2,5 3, |
|
24 14 |
- - |
3 3 |
2 1 3 . 8, 3, 4, 4 |
5 |
- |
5 |
5 5 |
|
34 |
1/8+1 |
7 |
3 (48: 8 + 1 =7 ) 4, 5. , 6, 1 | |
15 |
- |
1,5 |
1 1,5 5 : 5, 5,2, 4, 4, 8, 4, 5 |
|
25 |
- |
9 |
2 5 , 9 3 |
, , , . , , .
- , , .
, (, , , . .).
.
. , . . , .
. 4. |
( ):
() —102
()— 76
()— 58
() - 44
()— 50
()— 28
()— 24—26
, 48
|
102 |
. |
||
58 |
||||
76 |
76 | |||
- |
- |
- |
, , , | |
|
1
12 |
1/2
1/10
|
25
5 |
? (50: 2 = 25 ) 1 |
() | 3 |
1/22 |
15 |
2 3 (25+5:2=15 ). 1, 1, 1 |
24 4 15 |
1/212 - 14-1,5 |
2,5 |
2 2,5 4 4 1 , . 1 , 14 1,5 (7,5—1,5 =6 ), 5 |
|
|
12 |
1/4+3 |
14 |
1 44:4=11+3=14 2, 1 |
56 |
- |
1,5 |
5 1,5 , 2, 2 | |
1 |
- |
3 |
1 3 . 16 | |
11 12 |
- - |
6 3 |
1 , 6 , 1, 1 3 2 | |
23 |
1/2+6 |
28 |
2 44 : 2 + 6=28 3 | |
24 |
- |
1 |
2 1 |
|
34 |
- |
5 |
3 5 4, | |
43 |
- |
17 |
4 17 3 | |
|
12 |
- |
13,5 |
1 13,5 2, 3 (1 2=13) |
12 |
- |
12 |
1 12 2 3 (12=13) | |
14 |
- |
0,75 |
1 0,75 4. : 4, 5, , 2, 2, 4, 3, 3, , 3, 3, 4 : 4, 6, 2, 2, 2, 4, 3, 3, , 3, 3, 4 |
|
1 |
1/10 |
4,4 |
1 1/10 (441:0 =4,1 ) | |
1 |
1/2 |
22 |
1/2 (44:2=22 ) 1 | |
|
1,3,3 |
- |
- |
1, 3, 3 |
2 |
- |
6 |
6 2 | |
|
7 |
1/8+3,5 |
10 |
2 1 1/8 + 3,5 (50:8+ 3,5= 10 ) 7. 2. , , 7, . 417 |
23 |
- |
1,25 |
2 1,25 3, | |
24 |
- |
5 |
2 5 4 | |
25 |
- |
4 |
2 4 .5 |
|
74 6 |
- |
- |
746=22 | |
3 1 |
1/236 - |
- 0,5 |
3 , 0,5 1. 3, 1, |
|
1 |
1/313+1 |
11 |
1 30:3+ 1=11 , 1 . 2 | |
|
5 |
- |
7 |
7 |
7 |
- |
14 |
5 1 . , , 14 , 7 | |
- |
1/2+6 |
31 |
1, 18— 19 ( ), . ? +6 (50:2=25+ 6=31 ) : 1, , 3, , , 7, 4, 6, 1,3, 3, 1 |
, , .