Erbijsommen tot 1.000
Erbijsommen
| Oefening 1 | |||||
| 1. | 420 | + | 282 | = |
|
| 2. | 424 | + | 289 | = |
|
| 3. | 249 | + | 211 | = |
|
| 4. | 480 | + | 109 | = |
|
| 5. | 490 | + | 139 | = |
|
| 6. | 242 | + | 191 | = |
|
| 7. | 396 | + | 120 | = |
|
| 8. | 304 | + | 229 | = |
|
| 9. | 302 | + | 111 | = |
|
| 10. | 226 | + | 135 | = |
|
| Oefening 2 | |||||
| 1. | 265 | + | 119 | = |
|
| 2. | 195 | + | 179 | = |
|
| 3. | 382 | + | 260 | = |
|
| 4. | 443 | + | 280 | = |
|
| 5. | 436 | + | 201 | = |
|
| 6. | 441 | + | 385 | = |
|
| 7. | 477 | + | 178 | = |
|
| 8. | 294 | + | 121 | = |
|
| 9. | 471 | + | 181 | = |
|
| 10. | 196 | + | 161 | = |
|
| Oefening 3 | |||||
| 1. | 472 | + | 105 | = |
|
| 2. | 451 | + | 333 | = |
|
| 3. | 263 | + | 207 | = |
|
| 4. | 375 | + | 179 | = |
|
| 5. | 481 | + | 135 | = |
|
| 6. | 407 | + | 175 | = |
|
| 7. | 172 | + | 166 | = |
|
| 8. | 479 | + | 157 | = |
|
| 9. | 470 | + | 159 | = |
|
| 10. | 391 | + | 184 | = |
|
| Oefening 4 | |||||
| 1. | 487 | + | 295 | = |
|
| 2. | 356 | + | 114 | = |
|
| 3. | 325 | + | 224 | = |
|
| 4. | 247 | + | 200 | = |
|
| 5. | 444 | + | 369 | = |
|
| 6. | 412 | + | 321 | = |
|
| 7. | 437 | + | 214 | = |
|
| 8. | 382 | + | 311 | = |
|
| 9. | 491 | + | 333 | = |
|
| 10. | 330 | + | 323 | = |
|