Erbijsommen tot 1.000
Erbijsommen
| Oefening 1 | |||||
| 1. | 419 | + | 235 | = |
|
| 2. | 251 | + | 232 | = |
|
| 3. | 482 | + | 383 | = |
|
| 4. | 354 | + | 266 | = |
|
| 5. | 356 | + | 263 | = |
|
| 6. | 479 | + | 175 | = |
|
| 7. | 495 | + | 128 | = |
|
| 8. | 245 | + | 136 | = |
|
| 9. | 358 | + | 163 | = |
|
| 10. | 387 | + | 130 | = |
|
| Oefening 2 | |||||
| 1. | 486 | + | 122 | = |
|
| 2. | 286 | + | 212 | = |
|
| 3. | 497 | + | 195 | = |
|
| 4. | 295 | + | 252 | = |
|
| 5. | 482 | + | 292 | = |
|
| 6. | 386 | + | 306 | = |
|
| 7. | 462 | + | 198 | = |
|
| 8. | 485 | + | 333 | = |
|
| 9. | 491 | + | 131 | = |
|
| 10. | 412 | + | 157 | = |
|
| Oefening 3 | |||||
| 1. | 331 | + | 173 | = |
|
| 2. | 229 | + | 220 | = |
|
| 3. | 361 | + | 181 | = |
|
| 4. | 233 | + | 214 | = |
|
| 5. | 292 | + | 131 | = |
|
| 6. | 471 | + | 186 | = |
|
| 7. | 390 | + | 246 | = |
|
| 8. | 413 | + | 380 | = |
|
| 9. | 403 | + | 316 | = |
|
| 10. | 425 | + | 221 | = |
|
| Oefening 4 | |||||
| 1. | 305 | + | 237 | = |
|
| 2. | 491 | + | 196 | = |
|
| 3. | 451 | + | 173 | = |
|
| 4. | 386 | + | 260 | = |
|
| 5. | 327 | + | 319 | = |
|
| 6. | 479 | + | 410 | = |
|
| 7. | 466 | + | 292 | = |
|
| 8. | 246 | + | 201 | = |
|
| 9. | 397 | + | 255 | = |
|
| 10. | 291 | + | 139 | = |
|