, .
,
, .
,
.
.
,
,
,
.
.
2. , :
499, 120, 609, 300, 999.
3. :
324 + 543 548 324 506 - 244
293 + 537 942 356 804 538
. . .
҅ -, -, -, -, -, -, -, -
5. :
42 ., 2 , , 5 , . ?
(). .
1. , . _________________________
2. . _________________________
3. , .__________
4. , , . ________________________
5. . _________________
6. , , , . _____________
7. , . _______________________________
7. :
12 6 . .
, , , .
- _________________________________
- ________________________________
- __________________________________
- ________________________________
- _________________________________
- ________________________________
- __________________________________
- _______________________________
- __________________________________
- _______________________________
9. , :
2 12 = 3 7 =
= 10 2 . 5 . = .. .
= 7 4 . 35 . = .. .19
. .
- ________________________________
- _________________________________
- _________________________________
- ___________________________________
- ____________________________________
- ___________________________________
11. :
198 + = 485 + (372 - 183) = 507
, . .
() (). () (). () (). () (). () (), () (), () () .
|
|
|
13. :
60 . , , . ?
14. :
, , , .
, , , .
, , , .
15. 2 :
+ :_______
+ + : _____________
16. :
, 7 , 5 , 1 .
17. . .
_, _, _, _, _, _, _, _, _, _, _, _, _, _.
18. :
1. 289 458 623 589.
2. 256 58 9.
3. 380 27 8.
(). .
1. . ___________________________________
2. , , , , . __________________________
3. , , .
4. 1000 _______________________________
5. . ___________________________
6. , ___________________________________
7. , . _____________________________________________
20. :
800 . , , , . ?
21.
. . (?)____________________________________
. . ___________________________________________
. . _____________________________________________
. . _____________________________________________
. . _____________________________________________
. . _____________________________________________
22. :
864: 2 376: 4 693: 9
. . , .
, , , .
, , , , .
˅, , , .
, , , , .
24. :
1. 9 102.
2. 4, 132?
