Erbijsommen tot 1.000
Erbijsommen
| Oefening 1 | |||||
| 1. | 236 | + | 191 | = |
|
| 2. | 437 | + | 168 | = |
|
| 3. | 238 | + | 102 | = |
|
| 4. | 313 | + | 120 | = |
|
| 5. | 440 | + | 100 | = |
|
| 6. | 379 | + | 379 | = |
|
| 7. | 252 | + | 126 | = |
|
| 8. | 478 | + | 429 | = |
|
| 9. | 313 | + | 207 | = |
|
| 10. | 390 | + | 356 | = |
|
| Oefening 2 | |||||
| 1. | 332 | + | 289 | = |
|
| 2. | 472 | + | 155 | = |
|
| 3. | 487 | + | 156 | = |
|
| 4. | 416 | + | 397 | = |
|
| 5. | 399 | + | 333 | = |
|
| 6. | 358 | + | 323 | = |
|
| 7. | 490 | + | 468 | = |
|
| 8. | 249 | + | 100 | = |
|
| 9. | 490 | + | 125 | = |
|
| 10. | 491 | + | 215 | = |
|
| Oefening 3 | |||||
| 1. | 321 | + | 280 | = |
|
| 2. | 247 | + | 197 | = |
|
| 3. | 344 | + | 217 | = |
|
| 4. | 386 | + | 361 | = |
|
| 5. | 408 | + | 229 | = |
|
| 6. | 457 | + | 452 | = |
|
| 7. | 317 | + | 159 | = |
|
| 8. | 341 | + | 198 | = |
|
| 9. | 398 | + | 247 | = |
|
| 10. | 293 | + | 179 | = |
|
| Oefening 4 | |||||
| 1. | 314 | + | 228 | = |
|
| 2. | 446 | + | 110 | = |
|
| 3. | 360 | + | 157 | = |
|
| 4. | 495 | + | 223 | = |
|
| 5. | 268 | + | 121 | = |
|
| 6. | 376 | + | 350 | = |
|
| 7. | 239 | + | 220 | = |
|
| 8. | 130 | + | 116 | = |
|
| 9. | 301 | + | 116 | = |
|
| 10. | 439 | + | 310 | = |
|