Erbijsommen tot 1.000
Erbijsommen
| Oefening 1 | |||||
| 1. | 410 | + | 303 | = |
|
| 2. | 460 | + | 390 | = |
|
| 3. | 378 | + | 233 | = |
|
| 4. | 434 | + | 354 | = |
|
| 5. | 246 | + | 102 | = |
|
| 6. | 271 | + | 190 | = |
|
| 7. | 340 | + | 174 | = |
|
| 8. | 456 | + | 197 | = |
|
| 9. | 345 | + | 229 | = |
|
| 10. | 319 | + | 260 | = |
|
| Oefening 2 | |||||
| 1. | 381 | + | 114 | = |
|
| 2. | 341 | + | 266 | = |
|
| 3. | 273 | + | 216 | = |
|
| 4. | 339 | + | 169 | = |
|
| 5. | 386 | + | 374 | = |
|
| 6. | 242 | + | 151 | = |
|
| 7. | 485 | + | 142 | = |
|
| 8. | 462 | + | 321 | = |
|
| 9. | 450 | + | 164 | = |
|
| 10. | 375 | + | 180 | = |
|
| Oefening 3 | |||||
| 1. | 451 | + | 404 | = |
|
| 2. | 494 | + | 209 | = |
|
| 3. | 414 | + | 271 | = |
|
| 4. | 290 | + | 165 | = |
|
| 5. | 402 | + | 351 | = |
|
| 6. | 414 | + | 110 | = |
|
| 7. | 485 | + | 208 | = |
|
| 8. | 429 | + | 408 | = |
|
| 9. | 400 | + | 113 | = |
|
| 10. | 143 | + | 105 | = |
|
| Oefening 4 | |||||
| 1. | 226 | + | 172 | = |
|
| 2. | 315 | + | 235 | = |
|
| 3. | 380 | + | 275 | = |
|
| 4. | 496 | + | 216 | = |
|
| 5. | 485 | + | 232 | = |
|
| 6. | 388 | + | 331 | = |
|
| 7. | 299 | + | 101 | = |
|
| 8. | 304 | + | 118 | = |
|
| 9. | 218 | + | 201 | = |
|
| 10. | 221 | + | 219 | = |
|