80 + 20 = | 70 + 30 = | 160 + 40 = | 390 + 10 = |
80 + 27 = | 75 + 30 = | 160 + 41 = | 393 + 10 = |
93 + 7 = | 95 + 5 = | 198 + 2 = | 799 + 1 = |
93 + 8 = | 95 + 7 = | 198 + 4 = | 799 + 3 = |
93 + 9 = | 95 + 9 = | 198 + 7 = | 799 + 9 = |
74 + 30 = | 90 + = 105 | 98 + 5 = | 290 + = 301 |
82 + 26 = | + 53 = 103 | = 196 + 6 | = 497 + 7 |
100 - 20 = | 100 - 6 = | 300 - 40 = | 500 - 9 = |
110 - 20 = | 102 - 6 = | 308 - 40 = | 505 - 9 = |
102 - 20 = | 105 - 6 = | 320 - 40 = | 507 - 9 = |
110 - 12 = |
110 - 10 |
- 2 |
= |
106 - 10 = |
100 - 10 |
+ |
6 |
= |
|||
120 - 25 = |
(120 - 20 ) |
-
|
= |
110 - 50 = |
(100 - 50) |
+ |
= |
||||
330 - 50 = |
(330 -
) |
- 20 |
= |
205 - 30 = |
(200 -
) |
+ |
5 |
= |
|||
203 - 8 = |
(
-
) |
-
|
= |
320 - 60 = |
(
- 60) |
+ |
20 |
= |
|||
540 - 47 = |
(
-
)-
|
= |
533 - 50 = |
(500 -
) |
+ |
= |
![]() |
101 |
105 |
205 |
307 |
110 - 14 =
|
= 103 - 8 |
6 |
420 - 30 =
|
204 -
= 198 |
||||
9 |
204 - 8 =
|
- 6 = 298 |
||||
30 |
660 - 66 =
|
821 - 16 =
|
||||
1001 - 3 =
|
= 1203 - 5 |