Erbijsommen tot 1.000
Erbijsommen
| Oefening 1 | |||||
| 1. | 441 | + | 353 | = |
|
| 2. | 350 | + | 316 | = |
|
| 3. | 479 | + | 241 | = |
|
| 4. | 287 | + | 148 | = |
|
| 5. | 411 | + | 165 | = |
|
| 6. | 445 | + | 393 | = |
|
| 7. | 474 | + | 237 | = |
|
| 8. | 375 | + | 238 | = |
|
| 9. | 393 | + | 346 | = |
|
| 10. | 456 | + | 269 | = |
|
| Oefening 2 | |||||
| 1. | 484 | + | 382 | = |
|
| 2. | 339 | + | 261 | = |
|
| 3. | 272 | + | 221 | = |
|
| 4. | 193 | + | 146 | = |
|
| 5. | 315 | + | 149 | = |
|
| 6. | 465 | + | 373 | = |
|
| 7. | 375 | + | 345 | = |
|
| 8. | 319 | + | 160 | = |
|
| 9. | 320 | + | 197 | = |
|
| 10. | 334 | + | 220 | = |
|
| Oefening 3 | |||||
| 1. | 359 | + | 275 | = |
|
| 2. | 484 | + | 133 | = |
|
| 3. | 429 | + | 290 | = |
|
| 4. | 341 | + | 318 | = |
|
| 5. | 438 | + | 291 | = |
|
| 6. | 396 | + | 271 | = |
|
| 7. | 114 | + | 110 | = |
|
| 8. | 374 | + | 331 | = |
|
| 9. | 261 | + | 173 | = |
|
| 10. | 305 | + | 154 | = |
|
| Oefening 4 | |||||
| 1. | 413 | + | 147 | = |
|
| 2. | 399 | + | 280 | = |
|
| 3. | 286 | + | 179 | = |
|
| 4. | 274 | + | 140 | = |
|
| 5. | 414 | + | 396 | = |
|
| 6. | 493 | + | 387 | = |
|
| 7. | 489 | + | 261 | = |
|
| 8. | 298 | + | 283 | = |
|
| 9. | 313 | + | 208 | = |
|
| 10. | 398 | + | 283 | = |
|