Erbijsommen tot 1.000
Erbijsommen
| Oefening 1 | |||||
| 1. | 328 | + | 241 | = |
|
| 2. | 496 | + | 284 | = |
|
| 3. | 276 | + | 236 | = |
|
| 4. | 490 | + | 233 | = |
|
| 5. | 190 | + | 148 | = |
|
| 6. | 275 | + | 200 | = |
|
| 7. | 475 | + | 475 | = |
|
| 8. | 457 | + | 376 | = |
|
| 9. | 354 | + | 292 | = |
|
| 10. | 474 | + | 111 | = |
|
| Oefening 2 | |||||
| 1. | 332 | + | 328 | = |
|
| 2. | 275 | + | 270 | = |
|
| 3. | 378 | + | 203 | = |
|
| 4. | 168 | + | 130 | = |
|
| 5. | 458 | + | 333 | = |
|
| 6. | 481 | + | 291 | = |
|
| 7. | 262 | + | 241 | = |
|
| 8. | 287 | + | 160 | = |
|
| 9. | 499 | + | 487 | = |
|
| 10. | 265 | + | 225 | = |
|
| Oefening 3 | |||||
| 1. | 493 | + | 305 | = |
|
| 2. | 289 | + | 187 | = |
|
| 3. | 294 | + | 133 | = |
|
| 4. | 166 | + | 153 | = |
|
| 5. | 225 | + | 128 | = |
|
| 6. | 265 | + | 208 | = |
|
| 7. | 470 | + | 332 | = |
|
| 8. | 361 | + | 359 | = |
|
| 9. | 464 | + | 457 | = |
|
| 10. | 280 | + | 263 | = |
|
| Oefening 4 | |||||
| 1. | 249 | + | 239 | = |
|
| 2. | 477 | + | 293 | = |
|
| 3. | 269 | + | 244 | = |
|
| 4. | 197 | + | 186 | = |
|
| 5. | 340 | + | 212 | = |
|
| 6. | 448 | + | 371 | = |
|
| 7. | 486 | + | 268 | = |
|
| 8. | 253 | + | 187 | = |
|
| 9. | 393 | + | 143 | = |
|
| 10. | 380 | + | 315 | = |
|