Erbijsommen tot 1.000
Erbijsommen
| Oefening 1 | |||||
| 1. | 470 | + | 290 | = |
|
| 2. | 366 | + | 357 | = |
|
| 3. | 277 | + | 219 | = |
|
| 4. | 489 | + | 239 | = |
|
| 5. | 458 | + | 352 | = |
|
| 6. | 265 | + | 167 | = |
|
| 7. | 447 | + | 210 | = |
|
| 8. | 485 | + | 397 | = |
|
| 9. | 209 | + | 139 | = |
|
| 10. | 467 | + | 410 | = |
|
| Oefening 2 | |||||
| 1. | 239 | + | 175 | = |
|
| 2. | 408 | + | 148 | = |
|
| 3. | 142 | + | 138 | = |
|
| 4. | 257 | + | 238 | = |
|
| 5. | 417 | + | 288 | = |
|
| 6. | 484 | + | 405 | = |
|
| 7. | 461 | + | 412 | = |
|
| 8. | 481 | + | 273 | = |
|
| 9. | 361 | + | 111 | = |
|
| 10. | 495 | + | 225 | = |
|
| Oefening 3 | |||||
| 1. | 244 | + | 134 | = |
|
| 2. | 318 | + | 297 | = |
|
| 3. | 429 | + | 257 | = |
|
| 4. | 161 | + | 138 | = |
|
| 5. | 370 | + | 306 | = |
|
| 6. | 408 | + | 365 | = |
|
| 7. | 139 | + | 120 | = |
|
| 8. | 383 | + | 220 | = |
|
| 9. | 443 | + | 210 | = |
|
| 10. | 350 | + | 324 | = |
|
| Oefening 4 | |||||
| 1. | 467 | + | 106 | = |
|
| 2. | 229 | + | 120 | = |
|
| 3. | 489 | + | 416 | = |
|
| 4. | 338 | + | 217 | = |
|
| 5. | 357 | + | 170 | = |
|
| 6. | 365 | + | 270 | = |
|
| 7. | 370 | + | 105 | = |
|
| 8. | 221 | + | 205 | = |
|
| 9. | 417 | + | 384 | = |
|
| 10. | 279 | + | 247 | = |
|