! . ( ). . . ! .
1.. , , , 2.
97, 20, 68, 53, 79, 97, 42, 13, 31.
. . .
. . . . . .
( . )
2 . . :
. , .
, , , ,
3.. , 10.
92 ... = 10
34 + 6 ... = 10
1 + 5 + 16 ... = 10
? 5 .
, ,
4 . . .
(94 + 4) (45 + 45) 57 (90 83) (44 + 44) (90 2)
. .
_,
_,
_,
_,
_
5.. .
X 5; 17 X = 0; 65 + 4; 19 + X = 27
. .
, , , , , , ,
6. , :
1)., 23, 28, 33,, 43,, 53
2). 99, 90,, 72, 63,,
3). 3, 6, 10, 13,, 20,, 31
.
, .
7. .
. . . .
. . . . , .
8. .
8 =. +.
12 =.+. +.
22 =.+.
18 =. +. +.+.+.+.
15 =. +. +.
. - . .
.
.
.
.
9. ,
(:11=7+4, 11= 8+3, 11=9+2,11=6+5)
12 13 14 15 16
. .
, , , , , , , , , ,
10.. .
24 . , . ?
. .
11. .
1 =
|
|
|
1 =
1 =
1 = =
1 =
1 =
.( ).,
.
.
, , .
.
12. . .
40 = 20 90 = 45 80 = 40 50 = 25
70 = 35 100 = 50 60 = 30 30 = 15
.( )
, __________
, ____________
, ____________
, ________________
, _______________________
13. .
, , .
, , .
, , .
. . .
. . . . . , . ( . )
14. . . .
17 , 3 . ?
. ( ).
.
, .
, .
, .
.
15.. .
| X | |||
| X + | |||
| X |
. .
.
.
.
.
.
16. . 1 24, .
1 12 22 23 9 2 16 11 3 5 20 24 14 10 13 6 15 17 8 21 18 4 19 7
. , , , .
17. , .
29 5 + 28 = 51 38=16
16: 2 = 8 63=18
34 + (48 + 12) = 96 43=13
17 (99 82) = 0 39=27
.
, , ;
, , ;
, , , ;
, , , ;
, , , , ;
18. . .
3 + 3 + 3 + 3 =
2 + 2 + 2 + 2 + 2 =
6 + 6 + 6 =
9 + 9 =
. , -.
. . . , .
19. . ?
.
22 + 17 + 8 + 13
44 + 4 + 6
11 + 19 + 1 + 39
50 + 17 + 30
. .
20.. , 1 , 2 .
. . .
.
.
, , .
(.)
21.. .
|
|
|
67 5 34 34 23 1
98 + 2 100 25 38 18
56 24 99 + 1 12 + 12
55 36 16 0 12 12
100 5 4 9 10 0 + 99
5 + 17 28 + 56 45 5 23
48 + 12 45 + 45 49 + 13 35
. . .
.
22.. .
. . .
?
.
.
.
.
.
23. 3 .
.
24.. .
14 , 9 . ?
. . .
... .... ... .... ... ... ....... ... ...... . ...... ... .... ... ..., ... ....
25. . , .
467 + 279 500 198 735 + 258 2 845 + 2845 920 445
, ,
., ., ., ., ., ., ., ., ., ., .
26. ?
. .
.
, .
.
.
.
27. . (+) () , .
23... 6...5 = 12
48... 12... 36 = 0
65... 50... 15 = 100
72... 7... 65 = 0
56... 9... 29 = 46
29... 19... 1 = 9
. , .
. . . . . .
28. . ?
10.
1 75.
4.
1 30.
25.
. , .
.
.
.
, .
, .
29.. .
. .
.. .. . .
30.. .
. 150 , 33 . , . . 5 . ?
. ? .
... , ... , , ... , ... , , .
31.. , .
.. --, .
1.. .
3 2 = (8:2) 3 = 9: 3 = (18:3) 2 =
4: 2 = (3 3) + 82 = 6 2 = (45 40) 8 =
|
|
|
20: 10 = (60 54): 2 = 16: 2 = (4 2) 8 =
.. . .
. . , , . : , , . , . ( . )
2 .. 5 , 3 . .
.. . .
. . , . . . . ( . )
3 . .
24 6 . 19 . ?
.. .
. . . , . , , . .
( . )
4 .
23 + 34 = 79 16: 2 = 8 9 2 = 18
67 56 = 11 14: 7 = 3 24: 3 = 7
78 + 22 = 100 2 9 = 18 21: 3 = 8
48 + 16 = 64 15: 3 = 6 10:2=5
.. (!?.) .
5 .
5 , 3 . ?
.. , .
6. .
- 34 5 8
- 56 45 9
- 67 67 67
.. .
, , , ,
7. .
+ 57 = 100 44 = 1
.. . .
. . . . . . . . .
8. . .
.. ?
, , , , , , ,
9. .
7 , 4 .
?
.. .
,..,..,..,..,.,.
10 . .
.
?
?
.. .
, , , , , , , , , , ,
11. .
. +. = 100. +. = 90.:. = 10. . = 90. . = 30
.. . , .
... .., ... ., ... ., ... , ... ., ...
12. . .( - .)
|
|
|
6 3 12 6 27: 9 21 + 5 42: 6 77 50 18 + 2 3 4 7 3
.. , . .
.
.
.
.
.
13. . .
- 1
- 40
- 100
- 100
- 3
- 2
- 100
.. . .
. . . .
14. .
.
:
9 , 5.
?
-
?
.. , .
,,.
,,.
,,.
,,.
,,.
,,.
,,.
15.. . .
1 15 , 7 , , . ?
.. ,
.. .., ..,.., .., .., .., .., .., ..
16.. . .
7 2 = 35 19 = 6 4 = 40 34 =
2 8 = 20: 4 = 7 + 6
.. .
. , . . . . , . .
17. .
10 7 25: 5 1
3 5 15 90 78
24 0 6 6 12 5
3 8 3 3 4
26 11 (70 45): 5 3
9 + 6 24 67 (46 + 9) 36
.. .
18.. .
:
48 ,
13 ,
3
8 .
, ,
, !
.. . .
,
Ƹ ,
.
(.)
20. . . , .
(27 + 14) 12
.. , . .
- , ,
- , ,
- ,
- , , ,
21. . , .
: .
.. .
.. .. ... ϸ .. ... .. .... ... .. ...
22. .
2 7 . 2 8
9 3 9 2
(3 3) + 3 .3 5
3 + 3 + 3 + 3 2 6
15: 3. 12: 4
18: 3 .18: 2
45 15. 3 5
7 3 .12 + 9
16 0. 2 8
67 43 8 3
99 99 56 55
37 + 23 30 + 30
9: 3. 27: 9
.. . .
, .....
.. .., ..
.., ..
.. , .. .
23. :
5 50 1 ..55 3 셅7 25 1
20 .2 1 .23 25 . 2 1 ..1
6 . 60 60 텅 60
.. , .
.. .., ....,
.. .
, ,
.
24..
.. , .
, , , ,, , , , , , ,
25.. . .
(1 000 000). (1 000 000 000). . 1988 . 100 . 12 , 15 , 21 , 27 .
.. .
. . . .
26.. .
6 , 12 .
?
.. . .
- , ,
- , , ,
- , , ,
- , , ,
- , , ,
27.. 7 4 . .
|
|
|
.. .
, . . . . . . .
28. . ? .
4 2 = 6 7 = 6 6 = 2 6 = 9 9 = 5 4 =
5 5 = 3 8 = 7 3 = 7 5 = 6 8 = 9 9 =
4 4 = 3 5 = 4 8 =
.. , .
. . .
.
1
,
, , -
.
,
