Erbijsommen tot 1.000
Erbijsommen
| Oefening 1 | |||||
| 1. | 350 | + | 225 | = |
|
| 2. | 495 | + | 290 | = |
|
| 3. | 448 | + | 438 | = |
|
| 4. | 391 | + | 117 | = |
|
| 5. | 335 | + | 305 | = |
|
| 6. | 453 | + | 259 | = |
|
| 7. | 353 | + | 329 | = |
|
| 8. | 277 | + | 248 | = |
|
| 9. | 468 | + | 133 | = |
|
| 10. | 389 | + | 102 | = |
|
| Oefening 2 | |||||
| 1. | 349 | + | 223 | = |
|
| 2. | 456 | + | 407 | = |
|
| 3. | 316 | + | 296 | = |
|
| 4. | 462 | + | 191 | = |
|
| 5. | 195 | + | 190 | = |
|
| 6. | 458 | + | 357 | = |
|
| 7. | 493 | + | 409 | = |
|
| 8. | 206 | + | 135 | = |
|
| 9. | 467 | + | 384 | = |
|
| 10. | 485 | + | 167 | = |
|
| Oefening 3 | |||||
| 1. | 168 | + | 105 | = |
|
| 2. | 318 | + | 157 | = |
|
| 3. | 397 | + | 371 | = |
|
| 4. | 438 | + | 369 | = |
|
| 5. | 161 | + | 122 | = |
|
| 6. | 190 | + | 158 | = |
|
| 7. | 431 | + | 240 | = |
|
| 8. | 165 | + | 131 | = |
|
| 9. | 344 | + | 168 | = |
|
| 10. | 465 | + | 254 | = |
|
| Oefening 4 | |||||
| 1. | 287 | + | 100 | = |
|
| 2. | 499 | + | 312 | = |
|
| 3. | 412 | + | 242 | = |
|
| 4. | 254 | + | 247 | = |
|
| 5. | 476 | + | 338 | = |
|
| 6. | 406 | + | 103 | = |
|
| 7. | 205 | + | 170 | = |
|
| 8. | 423 | + | 178 | = |
|
| 9. | 274 | + | 252 | = |
|
| 10. | 309 | + | 306 | = |
|