Erbijsommen tot 1.000
Erbijsommen
| Oefening 1 | |||||
| 1. | 225 | + | 123 | = |
|
| 2. | 191 | + | 174 | = |
|
| 3. | 446 | + | 128 | = |
|
| 4. | 485 | + | 432 | = |
|
| 5. | 443 | + | 358 | = |
|
| 6. | 274 | + | 204 | = |
|
| 7. | 483 | + | 393 | = |
|
| 8. | 390 | + | 220 | = |
|
| 9. | 457 | + | 367 | = |
|
| 10. | 280 | + | 184 | = |
|
| Oefening 2 | |||||
| 1. | 486 | + | 156 | = |
|
| 2. | 471 | + | 115 | = |
|
| 3. | 308 | + | 200 | = |
|
| 4. | 431 | + | 420 | = |
|
| 5. | 371 | + | 329 | = |
|
| 6. | 282 | + | 201 | = |
|
| 7. | 265 | + | 221 | = |
|
| 8. | 469 | + | 255 | = |
|
| 9. | 143 | + | 130 | = |
|
| 10. | 490 | + | 452 | = |
|
| Oefening 3 | |||||
| 1. | 142 | + | 105 | = |
|
| 2. | 442 | + | 351 | = |
|
| 3. | 369 | + | 218 | = |
|
| 4. | 363 | + | 262 | = |
|
| 5. | 483 | + | 349 | = |
|
| 6. | 367 | + | 178 | = |
|
| 7. | 494 | + | 280 | = |
|
| 8. | 494 | + | 234 | = |
|
| 9. | 423 | + | 157 | = |
|
| 10. | 474 | + | 262 | = |
|
| Oefening 4 | |||||
| 1. | 200 | + | 135 | = |
|
| 2. | 452 | + | 298 | = |
|
| 3. | 434 | + | 333 | = |
|
| 4. | 160 | + | 124 | = |
|
| 5. | 345 | + | 249 | = |
|
| 6. | 217 | + | 178 | = |
|
| 7. | 475 | + | 375 | = |
|
| 8. | 388 | + | 300 | = |
|
| 9. | 388 | + | 383 | = |
|
| 10. | 444 | + | 228 | = |
|