1
1
15 3 . ?
2
40 .
.
3
:
2 ∙ 2 ∙ 7 16: 2 ∙ 4
36: 4 ∙ 3 24: 4 ∙ 3
0 ∙ 2 ∙ 4 18: 3: 2
25: 5 ∙ 9 2 ∙ 8 ∙ 0
4
: <, > =
4 ∙ 8.3 ∙ 8
12: 49: 3
5
∙ 5 = 15 14: = 7 4 ∙ = 20
6 *
, ?
2..9 = 2..8..2 4..5 = 4..4..4
2 .
1
12 3 . ?
2
36 . .
3
:
4 ∙ 4: 2 3 ∙ 3 ∙ 3
27: 3: 3 12: 3 ∙ 5
2 ∙ 3 ∙ 5 18: 2 ∙ 0
35: 5 ∙ 4 0 ∙ 5 ∙ 4
4
: <, > =
5 ∙ 4..4 ∙ 6
10: 5.12: 2
5
∙ 4 = 24 15: = 3 5 ∙ = 40
6 *
, ?
3..6 = 3..5..3 5..7 = 5..6..5
7. : , ( ).
1 .
1
:
48: 8 ∙ 4 100 (8 ∙ 9)
8: (2 ∙ 2) 0 ∙ (56: 7)
(3 ∙ 9) - 27 6∙ 6: 6
(25 + 17): 6 18 + (49: 7)
2
∙ 7 = 21 12: = 2
5 ∙ = 30: 4 = 8
3
16 , - 14 . 6 . ?
4
: 49, 54, 63, 56, 42 7 9?
5
, 15 .
2 .
1
:
54: 6 ∙ 4 90 (7 ∙ 9)
12: (2 ∙ 2) 0 ∙ (45: 5)
(4 ∙ 8) 32 5 ∙ 5: 5
(36 + 18): 6 21 + (64: 8)
|
|
|
2
∙ 8 = 40 15: = 3
6 ∙ = 42: 3 = 9
3
15 , 17 . 8 . ?
4
: 32, 48, 50, 18, 64 6 8?
5
, 24 .
8. : , ( ).
1 .
1
28 , 29 . 7 . ?
2
:
1. 36;
2. 45;
3. 64;
4. 54.
3
- 46 = 35 16 + = 50
7 ∙ = 42: 6 = 30
4
: 1 , .
5
:
8 40;
50 10;
20 34.
* 6
, .
6 ∙ 4 = 16 * 8
81 * 9 = 27: 3
2 .
1
28 14 . 7 . ?
2
:
1. 36;
2. 40;
3. 21;
4. 63.
3
28 + = 62 48: = 8
∙ 9 = 81 70 - = 25
4
: 1 , .
5
:
4 32;
20 4;
14 44.
* 6
, .
14 * 8 = 48: 872: 9 = 0 * 8
9 ( ).
1 .
1
8 , - 2 . 6 . ?
2
:
1. 27 39 16;
2. 63 54 6;
3. 67 28 5;
4. 100 51 7 3.
3
12 4 + 8 6
45 8 26 7
4
:
4 16?
16 4?
30 5?
7 21?
5
: , .
6*
|
|
|
48 , 6 . ?
2 .
1
6 , 3 . 4 . ?
2
:
1. 18 75 34;
2. 46 49 7;
3. 52 29 19;
4. 90 63 6 8.
3
17 2 + 9 5
67 9 18 3
4
:
3 12?
12 3?
40 8?
9 27?
5
: , .
6*
40 , 5 . ?
