Erbijsommen tot 1.000
Erbijsommen
| Oefening 1 | |||||
| 1. | 430 | + | 140 | = |
|
| 2. | 439 | + | 265 | = |
|
| 3. | 400 | + | 300 | = |
|
| 4. | 325 | + | 245 | = |
|
| 5. | 500 | + | 268 | = |
|
| 6. | 260 | + | 183 | = |
|
| 7. | 357 | + | 211 | = |
|
| 8. | 287 | + | 243 | = |
|
| 9. | 372 | + | 112 | = |
|
| 10. | 379 | + | 207 | = |
|
| Oefening 2 | |||||
| 1. | 333 | + | 171 | = |
|
| 2. | 299 | + | 284 | = |
|
| 3. | 263 | + | 204 | = |
|
| 4. | 360 | + | 277 | = |
|
| 5. | 264 | + | 260 | = |
|
| 6. | 315 | + | 114 | = |
|
| 7. | 384 | + | 304 | = |
|
| 8. | 490 | + | 136 | = |
|
| 9. | 374 | + | 229 | = |
|
| 10. | 308 | + | 133 | = |
|
| Oefening 3 | |||||
| 1. | 456 | + | 112 | = |
|
| 2. | 455 | + | 345 | = |
|
| 3. | 324 | + | 203 | = |
|
| 4. | 439 | + | 360 | = |
|
| 5. | 350 | + | 306 | = |
|
| 6. | 414 | + | 251 | = |
|
| 7. | 302 | + | 243 | = |
|
| 8. | 171 | + | 164 | = |
|
| 9. | 284 | + | 195 | = |
|
| 10. | 328 | + | 144 | = |
|
| Oefening 4 | |||||
| 1. | 454 | + | 422 | = |
|
| 2. | 296 | + | 221 | = |
|
| 3. | 249 | + | 228 | = |
|
| 4. | 475 | + | 300 | = |
|
| 5. | 475 | + | 112 | = |
|
| 6. | 410 | + | 335 | = |
|
| 7. | 401 | + | 226 | = |
|
| 8. | 153 | + | 131 | = |
|
| 9. | 289 | + | 226 | = |
|
| 10. | 472 | + | 301 | = |
|