Erbijsommen tot 1.000
Erbijsommen
| Oefening 1 | |||||
| 1. | 329 | + | 275 | = |
|
| 2. | 300 | + | 273 | = |
|
| 3. | 485 | + | 481 | = |
|
| 4. | 314 | + | 295 | = |
|
| 5. | 272 | + | 197 | = |
|
| 6. | 301 | + | 262 | = |
|
| 7. | 394 | + | 203 | = |
|
| 8. | 185 | + | 120 | = |
|
| 9. | 460 | + | 138 | = |
|
| 10. | 395 | + | 308 | = |
|
| Oefening 2 | |||||
| 1. | 349 | + | 125 | = |
|
| 2. | 432 | + | 398 | = |
|
| 3. | 486 | + | 256 | = |
|
| 4. | 246 | + | 106 | = |
|
| 5. | 303 | + | 161 | = |
|
| 6. | 360 | + | 108 | = |
|
| 7. | 446 | + | 299 | = |
|
| 8. | 494 | + | 313 | = |
|
| 9. | 384 | + | 278 | = |
|
| 10. | 458 | + | 452 | = |
|
| Oefening 3 | |||||
| 1. | 371 | + | 260 | = |
|
| 2. | 197 | + | 122 | = |
|
| 3. | 495 | + | 468 | = |
|
| 4. | 348 | + | 271 | = |
|
| 5. | 304 | + | 227 | = |
|
| 6. | 433 | + | 190 | = |
|
| 7. | 437 | + | 281 | = |
|
| 8. | 407 | + | 201 | = |
|
| 9. | 328 | + | 111 | = |
|
| 10. | 361 | + | 100 | = |
|
| Oefening 4 | |||||
| 1. | 373 | + | 281 | = |
|
| 2. | 392 | + | 383 | = |
|
| 3. | 362 | + | 192 | = |
|
| 4. | 309 | + | 299 | = |
|
| 5. | 473 | + | 365 | = |
|
| 6. | 365 | + | 154 | = |
|
| 7. | 445 | + | 431 | = |
|
| 8. | 336 | + | 106 | = |
|
| 9. | 364 | + | 192 | = |
|
| 10. | 193 | + | 154 | = |
|