Erbijsommen tot 1.000
Erbijsommen
| Oefening 1 | |||||
| 1. | 458 | + | 432 | = |
|
| 2. | 384 | + | 325 | = |
|
| 3. | 486 | + | 230 | = |
|
| 4. | 401 | + | 205 | = |
|
| 5. | 336 | + | 210 | = |
|
| 6. | 392 | + | 134 | = |
|
| 7. | 241 | + | 139 | = |
|
| 8. | 290 | + | 189 | = |
|
| 9. | 455 | + | 408 | = |
|
| 10. | 378 | + | 221 | = |
|
| Oefening 2 | |||||
| 1. | 333 | + | 314 | = |
|
| 2. | 450 | + | 265 | = |
|
| 3. | 416 | + | 268 | = |
|
| 4. | 256 | + | 203 | = |
|
| 5. | 176 | + | 139 | = |
|
| 6. | 363 | + | 207 | = |
|
| 7. | 446 | + | 415 | = |
|
| 8. | 352 | + | 300 | = |
|
| 9. | 354 | + | 303 | = |
|
| 10. | 438 | + | 437 | = |
|
| Oefening 3 | |||||
| 1. | 278 | + | 219 | = |
|
| 2. | 321 | + | 157 | = |
|
| 3. | 450 | + | 283 | = |
|
| 4. | 376 | + | 334 | = |
|
| 5. | 494 | + | 196 | = |
|
| 6. | 383 | + | 138 | = |
|
| 7. | 415 | + | 207 | = |
|
| 8. | 465 | + | 425 | = |
|
| 9. | 343 | + | 122 | = |
|
| 10. | 280 | + | 116 | = |
|
| Oefening 4 | |||||
| 1. | 380 | + | 275 | = |
|
| 2. | 283 | + | 215 | = |
|
| 3. | 389 | + | 146 | = |
|
| 4. | 224 | + | 214 | = |
|
| 5. | 268 | + | 232 | = |
|
| 6. | 357 | + | 145 | = |
|
| 7. | 273 | + | 138 | = |
|
| 8. | 486 | + | 461 | = |
|
| 9. | 492 | + | 380 | = |
|
| 10. | 292 | + | 103 | = |
|