Erbijsommen tot 1.000
Erbijsommen
| Oefening 1 | |||||
| 1. | 197 | + | 103 | = |
|
| 2. | 313 | + | 170 | = |
|
| 3. | 174 | + | 105 | = |
|
| 4. | 333 | + | 289 | = |
|
| 5. | 348 | + | 300 | = |
|
| 6. | 445 | + | 394 | = |
|
| 7. | 423 | + | 105 | = |
|
| 8. | 211 | + | 157 | = |
|
| 9. | 423 | + | 417 | = |
|
| 10. | 425 | + | 332 | = |
|
| Oefening 2 | |||||
| 1. | 272 | + | 232 | = |
|
| 2. | 478 | + | 374 | = |
|
| 3. | 420 | + | 367 | = |
|
| 4. | 284 | + | 166 | = |
|
| 5. | 480 | + | 444 | = |
|
| 6. | 233 | + | 219 | = |
|
| 7. | 337 | + | 271 | = |
|
| 8. | 420 | + | 215 | = |
|
| 9. | 412 | + | 267 | = |
|
| 10. | 461 | + | 161 | = |
|
| Oefening 3 | |||||
| 1. | 116 | + | 108 | = |
|
| 2. | 480 | + | 353 | = |
|
| 3. | 434 | + | 229 | = |
|
| 4. | 462 | + | 405 | = |
|
| 5. | 495 | + | 114 | = |
|
| 6. | 455 | + | 420 | = |
|
| 7. | 454 | + | 349 | = |
|
| 8. | 349 | + | 264 | = |
|
| 9. | 485 | + | 385 | = |
|
| 10. | 326 | + | 304 | = |
|
| Oefening 4 | |||||
| 1. | 465 | + | 185 | = |
|
| 2. | 238 | + | 214 | = |
|
| 3. | 490 | + | 368 | = |
|
| 4. | 199 | + | 189 | = |
|
| 5. | 387 | + | 334 | = |
|
| 6. | 377 | + | 121 | = |
|
| 7. | 456 | + | 212 | = |
|
| 8. | 340 | + | 320 | = |
|
| 9. | 282 | + | 220 | = |
|
| 10. | 269 | + | 149 | = |
|