Erbijsommen tot 1.000
Erbijsommen
| Oefening 1 | |||||
| 1. | 225 | + | 195 | = |
|
| 2. | 467 | + | 387 | = |
|
| 3. | 453 | + | 153 | = |
|
| 4. | 369 | + | 136 | = |
|
| 5. | 365 | + | 129 | = |
|
| 6. | 426 | + | 189 | = |
|
| 7. | 272 | + | 173 | = |
|
| 8. | 171 | + | 160 | = |
|
| 9. | 217 | + | 113 | = |
|
| 10. | 493 | + | 370 | = |
|
| Oefening 2 | |||||
| 1. | 248 | + | 115 | = |
|
| 2. | 378 | + | 119 | = |
|
| 3. | 468 | + | 209 | = |
|
| 4. | 443 | + | 220 | = |
|
| 5. | 305 | + | 129 | = |
|
| 6. | 223 | + | 165 | = |
|
| 7. | 421 | + | 361 | = |
|
| 8. | 198 | + | 104 | = |
|
| 9. | 244 | + | 142 | = |
|
| 10. | 338 | + | 224 | = |
|
| Oefening 3 | |||||
| 1. | 273 | + | 222 | = |
|
| 2. | 284 | + | 151 | = |
|
| 3. | 452 | + | 372 | = |
|
| 4. | 300 | + | 271 | = |
|
| 5. | 459 | + | 168 | = |
|
| 6. | 417 | + | 262 | = |
|
| 7. | 427 | + | 171 | = |
|
| 8. | 214 | + | 129 | = |
|
| 9. | 454 | + | 129 | = |
|
| 10. | 324 | + | 156 | = |
|
| Oefening 4 | |||||
| 1. | 258 | + | 208 | = |
|
| 2. | 267 | + | 232 | = |
|
| 3. | 364 | + | 214 | = |
|
| 4. | 422 | + | 244 | = |
|
| 5. | 400 | + | 391 | = |
|
| 6. | 337 | + | 248 | = |
|
| 7. | 488 | + | 148 | = |
|
| 8. | 241 | + | 181 | = |
|
| 9. | 342 | + | 306 | = |
|
| 10. | 456 | + | 364 | = |
|