Erbijsommen tot 1.000
Erbijsommen
| Oefening 1 | |||||
| 1. | 333 | + | 277 | = |
|
| 2. | 322 | + | 243 | = |
|
| 3. | 375 | + | 128 | = |
|
| 4. | 169 | + | 164 | = |
|
| 5. | 475 | + | 300 | = |
|
| 6. | 421 | + | 111 | = |
|
| 7. | 363 | + | 229 | = |
|
| 8. | 469 | + | 210 | = |
|
| 9. | 403 | + | 107 | = |
|
| 10. | 420 | + | 153 | = |
|
| Oefening 2 | |||||
| 1. | 455 | + | 322 | = |
|
| 2. | 486 | + | 157 | = |
|
| 3. | 339 | + | 204 | = |
|
| 4. | 484 | + | 378 | = |
|
| 5. | 381 | + | 143 | = |
|
| 6. | 476 | + | 257 | = |
|
| 7. | 251 | + | 144 | = |
|
| 8. | 201 | + | 190 | = |
|
| 9. | 358 | + | 284 | = |
|
| 10. | 305 | + | 156 | = |
|
| Oefening 3 | |||||
| 1. | 250 | + | 116 | = |
|
| 2. | 475 | + | 239 | = |
|
| 3. | 347 | + | 222 | = |
|
| 4. | 466 | + | 434 | = |
|
| 5. | 414 | + | 294 | = |
|
| 6. | 492 | + | 258 | = |
|
| 7. | 135 | + | 125 | = |
|
| 8. | 436 | + | 335 | = |
|
| 9. | 246 | + | 221 | = |
|
| 10. | 372 | + | 206 | = |
|
| Oefening 4 | |||||
| 1. | 404 | + | 279 | = |
|
| 2. | 480 | + | 389 | = |
|
| 3. | 362 | + | 344 | = |
|
| 4. | 475 | + | 209 | = |
|
| 5. | 478 | + | 399 | = |
|
| 6. | 436 | + | 185 | = |
|
| 7. | 453 | + | 269 | = |
|
| 8. | 250 | + | 162 | = |
|
| 9. | 451 | + | 396 | = |
|
| 10. | 223 | + | 120 | = |
|