Erbijsommen tot 1.000
Erbijsommen
| Oefening 1 | |||||
| 1. | 459 | + | 347 | = |
|
| 2. | 224 | + | 150 | = |
|
| 3. | 421 | + | 186 | = |
|
| 4. | 400 | + | 276 | = |
|
| 5. | 198 | + | 174 | = |
|
| 6. | 326 | + | 123 | = |
|
| 7. | 413 | + | 394 | = |
|
| 8. | 479 | + | 204 | = |
|
| 9. | 227 | + | 202 | = |
|
| 10. | 490 | + | 363 | = |
|
| Oefening 2 | |||||
| 1. | 197 | + | 194 | = |
|
| 2. | 431 | + | 142 | = |
|
| 3. | 354 | + | 266 | = |
|
| 4. | 326 | + | 277 | = |
|
| 5. | 192 | + | 164 | = |
|
| 6. | 414 | + | 278 | = |
|
| 7. | 392 | + | 109 | = |
|
| 8. | 480 | + | 333 | = |
|
| 9. | 477 | + | 382 | = |
|
| 10. | 349 | + | 270 | = |
|
| Oefening 3 | |||||
| 1. | 433 | + | 293 | = |
|
| 2. | 456 | + | 304 | = |
|
| 3. | 486 | + | 472 | = |
|
| 4. | 199 | + | 131 | = |
|
| 5. | 420 | + | 133 | = |
|
| 6. | 402 | + | 208 | = |
|
| 7. | 491 | + | 271 | = |
|
| 8. | 349 | + | 163 | = |
|
| 9. | 330 | + | 179 | = |
|
| 10. | 457 | + | 269 | = |
|
| Oefening 4 | |||||
| 1. | 440 | + | 425 | = |
|
| 2. | 426 | + | 231 | = |
|
| 3. | 251 | + | 238 | = |
|
| 4. | 344 | + | 192 | = |
|
| 5. | 373 | + | 106 | = |
|
| 6. | 334 | + | 203 | = |
|
| 7. | 497 | + | 399 | = |
|
| 8. | 441 | + | 422 | = |
|
| 9. | 307 | + | 257 | = |
|
| 10. | 489 | + | 108 | = |
|