Erbijsommen tot 1.000
Erbijsommen
| Oefening 1 | |||||
| 1. | 279 | + | 111 | = |
|
| 2. | 500 | + | 436 | = |
|
| 3. | 310 | + | 271 | = |
|
| 4. | 386 | + | 124 | = |
|
| 5. | 426 | + | 411 | = |
|
| 6. | 445 | + | 254 | = |
|
| 7. | 370 | + | 344 | = |
|
| 8. | 246 | + | 219 | = |
|
| 9. | 241 | + | 158 | = |
|
| 10. | 440 | + | 243 | = |
|
| Oefening 2 | |||||
| 1. | 327 | + | 240 | = |
|
| 2. | 279 | + | 265 | = |
|
| 3. | 362 | + | 100 | = |
|
| 4. | 420 | + | 288 | = |
|
| 5. | 353 | + | 289 | = |
|
| 6. | 287 | + | 224 | = |
|
| 7. | 230 | + | 109 | = |
|
| 8. | 261 | + | 202 | = |
|
| 9. | 423 | + | 273 | = |
|
| 10. | 271 | + | 252 | = |
|
| Oefening 3 | |||||
| 1. | 308 | + | 168 | = |
|
| 2. | 483 | + | 462 | = |
|
| 3. | 242 | + | 101 | = |
|
| 4. | 479 | + | 119 | = |
|
| 5. | 263 | + | 195 | = |
|
| 6. | 391 | + | 333 | = |
|
| 7. | 366 | + | 226 | = |
|
| 8. | 311 | + | 213 | = |
|
| 9. | 401 | + | 333 | = |
|
| 10. | 440 | + | 221 | = |
|
| Oefening 4 | |||||
| 1. | 318 | + | 223 | = |
|
| 2. | 491 | + | 380 | = |
|
| 3. | 288 | + | 232 | = |
|
| 4. | 344 | + | 275 | = |
|
| 5. | 494 | + | 453 | = |
|
| 6. | 391 | + | 175 | = |
|
| 7. | 178 | + | 121 | = |
|
| 8. | 368 | + | 348 | = |
|
| 9. | 381 | + | 165 | = |
|
| 10. | 382 | + | 350 | = |
|