Erbijsommen tot 1.000
Erbijsommen
| Oefening 1 | |||||
| 1. | 271 | + | 145 | = |
|
| 2. | 280 | + | 247 | = |
|
| 3. | 364 | + | 158 | = |
|
| 4. | 472 | + | 442 | = |
|
| 5. | 325 | + | 209 | = |
|
| 6. | 347 | + | 317 | = |
|
| 7. | 217 | + | 125 | = |
|
| 8. | 414 | + | 180 | = |
|
| 9. | 475 | + | 200 | = |
|
| 10. | 434 | + | 424 | = |
|
| Oefening 2 | |||||
| 1. | 469 | + | 216 | = |
|
| 2. | 398 | + | 251 | = |
|
| 3. | 490 | + | 281 | = |
|
| 4. | 449 | + | 340 | = |
|
| 5. | 487 | + | 178 | = |
|
| 6. | 477 | + | 423 | = |
|
| 7. | 243 | + | 208 | = |
|
| 8. | 419 | + | 402 | = |
|
| 9. | 495 | + | 275 | = |
|
| 10. | 445 | + | 159 | = |
|
| Oefening 3 | |||||
| 1. | 173 | + | 135 | = |
|
| 2. | 418 | + | 156 | = |
|
| 3. | 176 | + | 132 | = |
|
| 4. | 279 | + | 165 | = |
|
| 5. | 271 | + | 130 | = |
|
| 6. | 212 | + | 181 | = |
|
| 7. | 490 | + | 411 | = |
|
| 8. | 350 | + | 261 | = |
|
| 9. | 395 | + | 304 | = |
|
| 10. | 419 | + | 236 | = |
|
| Oefening 4 | |||||
| 1. | 186 | + | 155 | = |
|
| 2. | 309 | + | 259 | = |
|
| 3. | 396 | + | 135 | = |
|
| 4. | 377 | + | 252 | = |
|
| 5. | 245 | + | 239 | = |
|
| 6. | 447 | + | 211 | = |
|
| 7. | 439 | + | 216 | = |
|
| 8. | 489 | + | 185 | = |
|
| 9. | 397 | + | 274 | = |
|
| 10. | 441 | + | 206 | = |
|