Erbijsommen tot 1.000
Erbijsommen
| Oefening 1 | |||||
| 1. | 424 | + | 320 | = |
|
| 2. | 457 | + | 438 | = |
|
| 3. | 320 | + | 160 | = |
|
| 4. | 212 | + | 178 | = |
|
| 5. | 439 | + | 174 | = |
|
| 6. | 494 | + | 251 | = |
|
| 7. | 462 | + | 254 | = |
|
| 8. | 466 | + | 130 | = |
|
| 9. | 363 | + | 113 | = |
|
| 10. | 422 | + | 366 | = |
|
| Oefening 2 | |||||
| 1. | 222 | + | 141 | = |
|
| 2. | 139 | + | 124 | = |
|
| 3. | 449 | + | 413 | = |
|
| 4. | 403 | + | 329 | = |
|
| 5. | 298 | + | 193 | = |
|
| 6. | 463 | + | 226 | = |
|
| 7. | 462 | + | 281 | = |
|
| 8. | 454 | + | 432 | = |
|
| 9. | 322 | + | 109 | = |
|
| 10. | 463 | + | 286 | = |
|
| Oefening 3 | |||||
| 1. | 275 | + | 150 | = |
|
| 2. | 375 | + | 227 | = |
|
| 3. | 397 | + | 291 | = |
|
| 4. | 263 | + | 114 | = |
|
| 5. | 428 | + | 158 | = |
|
| 6. | 347 | + | 287 | = |
|
| 7. | 390 | + | 297 | = |
|
| 8. | 364 | + | 106 | = |
|
| 9. | 270 | + | 107 | = |
|
| 10. | 490 | + | 367 | = |
|
| Oefening 4 | |||||
| 1. | 304 | + | 140 | = |
|
| 2. | 360 | + | 328 | = |
|
| 3. | 478 | + | 274 | = |
|
| 4. | 342 | + | 188 | = |
|
| 5. | 333 | + | 177 | = |
|
| 6. | 430 | + | 317 | = |
|
| 7. | 413 | + | 290 | = |
|
| 8. | 317 | + | 171 | = |
|
| 9. | 268 | + | 245 | = |
|
| 10. | 449 | + | 407 | = |
|