Erbijsommen tot 1.000
Erbijsommen
| Oefening 1 | |||||
| 1. | 296 | + | 255 | = |
|
| 2. | 494 | + | 373 | = |
|
| 3. | 475 | + | 374 | = |
|
| 4. | 463 | + | 444 | = |
|
| 5. | 442 | + | 281 | = |
|
| 6. | 475 | + | 387 | = |
|
| 7. | 273 | + | 168 | = |
|
| 8. | 161 | + | 155 | = |
|
| 9. | 341 | + | 123 | = |
|
| 10. | 461 | + | 248 | = |
|
| Oefening 2 | |||||
| 1. | 255 | + | 124 | = |
|
| 2. | 497 | + | 164 | = |
|
| 3. | 421 | + | 276 | = |
|
| 4. | 147 | + | 136 | = |
|
| 5. | 495 | + | 148 | = |
|
| 6. | 400 | + | 232 | = |
|
| 7. | 441 | + | 151 | = |
|
| 8. | 380 | + | 336 | = |
|
| 9. | 328 | + | 104 | = |
|
| 10. | 302 | + | 205 | = |
|
| Oefening 3 | |||||
| 1. | 348 | + | 223 | = |
|
| 2. | 441 | + | 240 | = |
|
| 3. | 356 | + | 280 | = |
|
| 4. | 414 | + | 139 | = |
|
| 5. | 415 | + | 151 | = |
|
| 6. | 238 | + | 159 | = |
|
| 7. | 485 | + | 288 | = |
|
| 8. | 300 | + | 150 | = |
|
| 9. | 412 | + | 212 | = |
|
| 10. | 470 | + | 329 | = |
|
| Oefening 4 | |||||
| 1. | 215 | + | 174 | = |
|
| 2. | 219 | + | 149 | = |
|
| 3. | 384 | + | 334 | = |
|
| 4. | 312 | + | 251 | = |
|
| 5. | 384 | + | 144 | = |
|
| 6. | 291 | + | 259 | = |
|
| 7. | 470 | + | 192 | = |
|
| 8. | 294 | + | 108 | = |
|
| 9. | 429 | + | 249 | = |
|
| 10. | 450 | + | 441 | = |
|