Erbijsommen tot 1.000
Erbijsommen
| Oefening 1 | |||||
| 1. | 333 | + | 295 | = |
|
| 2. | 397 | + | 205 | = |
|
| 3. | 352 | + | 340 | = |
|
| 4. | 321 | + | 105 | = |
|
| 5. | 495 | + | 127 | = |
|
| 6. | 445 | + | 261 | = |
|
| 7. | 378 | + | 255 | = |
|
| 8. | 285 | + | 113 | = |
|
| 9. | 485 | + | 133 | = |
|
| 10. | 314 | + | 121 | = |
|
| Oefening 2 | |||||
| 1. | 240 | + | 237 | = |
|
| 2. | 424 | + | 110 | = |
|
| 3. | 450 | + | 333 | = |
|
| 4. | 238 | + | 104 | = |
|
| 5. | 409 | + | 258 | = |
|
| 6. | 485 | + | 304 | = |
|
| 7. | 466 | + | 395 | = |
|
| 8. | 340 | + | 164 | = |
|
| 9. | 297 | + | 280 | = |
|
| 10. | 247 | + | 208 | = |
|
| Oefening 3 | |||||
| 1. | 369 | + | 354 | = |
|
| 2. | 454 | + | 202 | = |
|
| 3. | 434 | + | 233 | = |
|
| 4. | 489 | + | 282 | = |
|
| 5. | 292 | + | 161 | = |
|
| 6. | 483 | + | 167 | = |
|
| 7. | 362 | + | 170 | = |
|
| 8. | 438 | + | 288 | = |
|
| 9. | 370 | + | 270 | = |
|
| 10. | 289 | + | 103 | = |
|
| Oefening 4 | |||||
| 1. | 274 | + | 168 | = |
|
| 2. | 157 | + | 132 | = |
|
| 3. | 238 | + | 183 | = |
|
| 4. | 376 | + | 135 | = |
|
| 5. | 279 | + | 253 | = |
|
| 6. | 299 | + | 292 | = |
|
| 7. | 255 | + | 165 | = |
|
| 8. | 261 | + | 216 | = |
|
| 9. | 283 | + | 246 | = |
|
| 10. | 480 | + | 221 | = |
|