Erbijsommen tot 1.000
Erbijsommen
| Oefening 1 | |||||
| 1. | 474 | + | 473 | = |
|
| 2. | 481 | + | 476 | = |
|
| 3. | 349 | + | 308 | = |
|
| 4. | 431 | + | 418 | = |
|
| 5. | 147 | + | 107 | = |
|
| 6. | 342 | + | 104 | = |
|
| 7. | 357 | + | 135 | = |
|
| 8. | 397 | + | 274 | = |
|
| 9. | 275 | + | 206 | = |
|
| 10. | 483 | + | 432 | = |
|
| Oefening 2 | |||||
| 1. | 166 | + | 116 | = |
|
| 2. | 489 | + | 304 | = |
|
| 3. | 454 | + | 218 | = |
|
| 4. | 324 | + | 215 | = |
|
| 5. | 316 | + | 221 | = |
|
| 6. | 336 | + | 179 | = |
|
| 7. | 295 | + | 194 | = |
|
| 8. | 121 | + | 105 | = |
|
| 9. | 275 | + | 251 | = |
|
| 10. | 476 | + | 443 | = |
|
| Oefening 3 | |||||
| 1. | 439 | + | 104 | = |
|
| 2. | 344 | + | 210 | = |
|
| 3. | 480 | + | 384 | = |
|
| 4. | 355 | + | 332 | = |
|
| 5. | 417 | + | 268 | = |
|
| 6. | 470 | + | 370 | = |
|
| 7. | 461 | + | 360 | = |
|
| 8. | 455 | + | 179 | = |
|
| 9. | 353 | + | 327 | = |
|
| 10. | 343 | + | 321 | = |
|
| Oefening 4 | |||||
| 1. | 470 | + | 231 | = |
|
| 2. | 471 | + | 269 | = |
|
| 3. | 499 | + | 226 | = |
|
| 4. | 363 | + | 277 | = |
|
| 5. | 363 | + | 143 | = |
|
| 6. | 390 | + | 219 | = |
|
| 7. | 390 | + | 274 | = |
|
| 8. | 254 | + | 222 | = |
|
| 9. | 371 | + | 161 | = |
|
| 10. | 310 | + | 289 | = |
|