Erbijsommen tot 1.000
Erbijsommen
| Oefening 1 | |||||
| 1. | 270 | + | 243 | = |
|
| 2. | 469 | + | 451 | = |
|
| 3. | 233 | + | 202 | = |
|
| 4. | 245 | + | 163 | = |
|
| 5. | 450 | + | 227 | = |
|
| 6. | 472 | + | 386 | = |
|
| 7. | 392 | + | 239 | = |
|
| 8. | 301 | + | 264 | = |
|
| 9. | 398 | + | 178 | = |
|
| 10. | 445 | + | 236 | = |
|
| Oefening 2 | |||||
| 1. | 410 | + | 398 | = |
|
| 2. | 233 | + | 121 | = |
|
| 3. | 457 | + | 339 | = |
|
| 4. | 488 | + | 207 | = |
|
| 5. | 259 | + | 114 | = |
|
| 6. | 494 | + | 170 | = |
|
| 7. | 262 | + | 184 | = |
|
| 8. | 487 | + | 349 | = |
|
| 9. | 321 | + | 228 | = |
|
| 10. | 422 | + | 399 | = |
|
| Oefening 3 | |||||
| 1. | 397 | + | 387 | = |
|
| 2. | 193 | + | 169 | = |
|
| 3. | 152 | + | 110 | = |
|
| 4. | 497 | + | 335 | = |
|
| 5. | 370 | + | 185 | = |
|
| 6. | 394 | + | 307 | = |
|
| 7. | 385 | + | 321 | = |
|
| 8. | 487 | + | 342 | = |
|
| 9. | 294 | + | 214 | = |
|
| 10. | 404 | + | 303 | = |
|
| Oefening 4 | |||||
| 1. | 282 | + | 271 | = |
|
| 2. | 455 | + | 275 | = |
|
| 3. | 255 | + | 171 | = |
|
| 4. | 473 | + | 338 | = |
|
| 5. | 284 | + | 248 | = |
|
| 6. | 326 | + | 151 | = |
|
| 7. | 440 | + | 143 | = |
|
| 8. | 490 | + | 299 | = |
|
| 9. | 473 | + | 186 | = |
|
| 10. | 450 | + | 203 | = |
|