Erbijsommen tot 1.000
Erbijsommen
| Oefening 1 | |||||
| 1. | 371 | + | 267 | = |
|
| 2. | 333 | + | 120 | = |
|
| 3. | 458 | + | 158 | = |
|
| 4. | 241 | + | 225 | = |
|
| 5. | 340 | + | 172 | = |
|
| 6. | 172 | + | 149 | = |
|
| 7. | 306 | + | 133 | = |
|
| 8. | 474 | + | 234 | = |
|
| 9. | 286 | + | 116 | = |
|
| 10. | 303 | + | 270 | = |
|
| Oefening 2 | |||||
| 1. | 460 | + | 347 | = |
|
| 2. | 478 | + | 456 | = |
|
| 3. | 184 | + | 118 | = |
|
| 4. | 276 | + | 229 | = |
|
| 5. | 424 | + | 169 | = |
|
| 6. | 130 | + | 122 | = |
|
| 7. | 373 | + | 136 | = |
|
| 8. | 490 | + | 101 | = |
|
| 9. | 269 | + | 245 | = |
|
| 10. | 323 | + | 281 | = |
|
| Oefening 3 | |||||
| 1. | 485 | + | 338 | = |
|
| 2. | 388 | + | 263 | = |
|
| 3. | 459 | + | 147 | = |
|
| 4. | 389 | + | 100 | = |
|
| 5. | 472 | + | 165 | = |
|
| 6. | 435 | + | 210 | = |
|
| 7. | 362 | + | 345 | = |
|
| 8. | 488 | + | 145 | = |
|
| 9. | 251 | + | 219 | = |
|
| 10. | 498 | + | 126 | = |
|
| Oefening 4 | |||||
| 1. | 386 | + | 243 | = |
|
| 2. | 446 | + | 416 | = |
|
| 3. | 342 | + | 317 | = |
|
| 4. | 286 | + | 262 | = |
|
| 5. | 465 | + | 204 | = |
|
| 6. | 381 | + | 363 | = |
|
| 7. | 369 | + | 131 | = |
|
| 8. | 226 | + | 224 | = |
|
| 9. | 418 | + | 210 | = |
|
| 10. | 316 | + | 129 | = |
|