Erbijsommen tot 1.000
Erbijsommen
| Oefening 1 | |||||
| 1. | 228 | + | 213 | = |
|
| 2. | 406 | + | 353 | = |
|
| 3. | 493 | + | 294 | = |
|
| 4. | 417 | + | 126 | = |
|
| 5. | 294 | + | 123 | = |
|
| 6. | 427 | + | 180 | = |
|
| 7. | 500 | + | 288 | = |
|
| 8. | 415 | + | 410 | = |
|
| 9. | 395 | + | 303 | = |
|
| 10. | 237 | + | 124 | = |
|
| Oefening 2 | |||||
| 1. | 426 | + | 148 | = |
|
| 2. | 461 | + | 425 | = |
|
| 3. | 406 | + | 131 | = |
|
| 4. | 406 | + | 104 | = |
|
| 5. | 460 | + | 191 | = |
|
| 6. | 328 | + | 233 | = |
|
| 7. | 273 | + | 231 | = |
|
| 8. | 471 | + | 184 | = |
|
| 9. | 129 | + | 103 | = |
|
| 10. | 390 | + | 132 | = |
|
| Oefening 3 | |||||
| 1. | 450 | + | 160 | = |
|
| 2. | 343 | + | 146 | = |
|
| 3. | 427 | + | 375 | = |
|
| 4. | 331 | + | 323 | = |
|
| 5. | 433 | + | 317 | = |
|
| 6. | 413 | + | 109 | = |
|
| 7. | 266 | + | 264 | = |
|
| 8. | 346 | + | 143 | = |
|
| 9. | 383 | + | 326 | = |
|
| 10. | 478 | + | 346 | = |
|
| Oefening 4 | |||||
| 1. | 359 | + | 274 | = |
|
| 2. | 467 | + | 189 | = |
|
| 3. | 379 | + | 169 | = |
|
| 4. | 455 | + | 329 | = |
|
| 5. | 119 | + | 111 | = |
|
| 6. | 443 | + | 418 | = |
|
| 7. | 355 | + | 197 | = |
|
| 8. | 479 | + | 370 | = |
|
| 9. | 327 | + | 120 | = |
|
| 10. | 460 | + | 343 | = |
|