Erbijsommen tot 1.000
Erbijsommen
| Oefening 1 | |||||
| 1. | 120 | + | 104 | = |
|
| 2. | 254 | + | 230 | = |
|
| 3. | 397 | + | 234 | = |
|
| 4. | 490 | + | 431 | = |
|
| 5. | 309 | + | 292 | = |
|
| 6. | 432 | + | 371 | = |
|
| 7. | 156 | + | 121 | = |
|
| 8. | 294 | + | 215 | = |
|
| 9. | 298 | + | 240 | = |
|
| 10. | 404 | + | 366 | = |
|
| Oefening 2 | |||||
| 1. | 299 | + | 136 | = |
|
| 2. | 303 | + | 104 | = |
|
| 3. | 344 | + | 101 | = |
|
| 4. | 209 | + | 166 | = |
|
| 5. | 393 | + | 115 | = |
|
| 6. | 247 | + | 235 | = |
|
| 7. | 177 | + | 145 | = |
|
| 8. | 484 | + | 346 | = |
|
| 9. | 339 | + | 112 | = |
|
| 10. | 276 | + | 162 | = |
|
| Oefening 3 | |||||
| 1. | 336 | + | 183 | = |
|
| 2. | 375 | + | 333 | = |
|
| 3. | 457 | + | 290 | = |
|
| 4. | 478 | + | 154 | = |
|
| 5. | 168 | + | 107 | = |
|
| 6. | 443 | + | 116 | = |
|
| 7. | 374 | + | 265 | = |
|
| 8. | 350 | + | 276 | = |
|
| 9. | 496 | + | 296 | = |
|
| 10. | 417 | + | 115 | = |
|
| Oefening 4 | |||||
| 1. | 207 | + | 157 | = |
|
| 2. | 419 | + | 353 | = |
|
| 3. | 198 | + | 107 | = |
|
| 4. | 186 | + | 144 | = |
|
| 5. | 310 | + | 276 | = |
|
| 6. | 478 | + | 124 | = |
|
| 7. | 194 | + | 188 | = |
|
| 8. | 356 | + | 321 | = |
|
| 9. | 390 | + | 188 | = |
|
| 10. | 421 | + | 348 | = |
|