Erbijsommen tot 1.000
Erbijsommen
| Oefening 1 | |||||
| 1. | 348 | + | 245 | = |
|
| 2. | 191 | + | 151 | = |
|
| 3. | 209 | + | 126 | = |
|
| 4. | 422 | + | 244 | = |
|
| 5. | 475 | + | 429 | = |
|
| 6. | 325 | + | 150 | = |
|
| 7. | 305 | + | 284 | = |
|
| 8. | 459 | + | 117 | = |
|
| 9. | 476 | + | 181 | = |
|
| 10. | 446 | + | 209 | = |
|
| Oefening 2 | |||||
| 1. | 475 | + | 394 | = |
|
| 2. | 478 | + | 278 | = |
|
| 3. | 451 | + | 132 | = |
|
| 4. | 306 | + | 266 | = |
|
| 5. | 500 | + | 407 | = |
|
| 6. | 494 | + | 475 | = |
|
| 7. | 469 | + | 328 | = |
|
| 8. | 332 | + | 233 | = |
|
| 9. | 449 | + | 399 | = |
|
| 10. | 268 | + | 116 | = |
|
| Oefening 3 | |||||
| 1. | 419 | + | 335 | = |
|
| 2. | 439 | + | 417 | = |
|
| 3. | 467 | + | 372 | = |
|
| 4. | 306 | + | 186 | = |
|
| 5. | 409 | + | 157 | = |
|
| 6. | 284 | + | 104 | = |
|
| 7. | 346 | + | 189 | = |
|
| 8. | 147 | + | 140 | = |
|
| 9. | 405 | + | 172 | = |
|
| 10. | 255 | + | 133 | = |
|
| Oefening 4 | |||||
| 1. | 256 | + | 225 | = |
|
| 2. | 448 | + | 161 | = |
|
| 3. | 428 | + | 190 | = |
|
| 4. | 379 | + | 196 | = |
|
| 5. | 205 | + | 187 | = |
|
| 6. | 445 | + | 313 | = |
|
| 7. | 259 | + | 227 | = |
|
| 8. | 499 | + | 377 | = |
|
| 9. | 499 | + | 494 | = |
|
| 10. | 438 | + | 385 | = |
|