Erbijsommen tot 1.000
Erbijsommen
| Oefening 1 | |||||
| 1. | 376 | + | 270 | = |
|
| 2. | 238 | + | 232 | = |
|
| 3. | 420 | + | 279 | = |
|
| 4. | 427 | + | 219 | = |
|
| 5. | 446 | + | 439 | = |
|
| 6. | 269 | + | 239 | = |
|
| 7. | 313 | + | 160 | = |
|
| 8. | 459 | + | 212 | = |
|
| 9. | 394 | + | 365 | = |
|
| 10. | 237 | + | 102 | = |
|
| Oefening 2 | |||||
| 1. | 270 | + | 177 | = |
|
| 2. | 437 | + | 144 | = |
|
| 3. | 428 | + | 398 | = |
|
| 4. | 371 | + | 128 | = |
|
| 5. | 311 | + | 283 | = |
|
| 6. | 301 | + | 184 | = |
|
| 7. | 484 | + | 248 | = |
|
| 8. | 386 | + | 128 | = |
|
| 9. | 489 | + | 408 | = |
|
| 10. | 409 | + | 175 | = |
|
| Oefening 3 | |||||
| 1. | 450 | + | 291 | = |
|
| 2. | 287 | + | 273 | = |
|
| 3. | 256 | + | 229 | = |
|
| 4. | 495 | + | 450 | = |
|
| 5. | 214 | + | 113 | = |
|
| 6. | 394 | + | 319 | = |
|
| 7. | 317 | + | 286 | = |
|
| 8. | 171 | + | 131 | = |
|
| 9. | 475 | + | 210 | = |
|
| 10. | 483 | + | 218 | = |
|
| Oefening 4 | |||||
| 1. | 421 | + | 200 | = |
|
| 2. | 452 | + | 222 | = |
|
| 3. | 422 | + | 410 | = |
|
| 4. | 288 | + | 206 | = |
|
| 5. | 196 | + | 119 | = |
|
| 6. | 455 | + | 397 | = |
|
| 7. | 406 | + | 126 | = |
|
| 8. | 273 | + | 193 | = |
|
| 9. | 409 | + | 135 | = |
|
| 10. | 423 | + | 144 | = |
|