Erbijsommen tot 1.000
Erbijsommen
| Oefening 1 | |||||
| 1. | 462 | + | 424 | = |
|
| 2. | 257 | + | 152 | = |
|
| 3. | 349 | + | 134 | = |
|
| 4. | 373 | + | 226 | = |
|
| 5. | 262 | + | 251 | = |
|
| 6. | 421 | + | 338 | = |
|
| 7. | 378 | + | 169 | = |
|
| 8. | 368 | + | 335 | = |
|
| 9. | 432 | + | 338 | = |
|
| 10. | 423 | + | 134 | = |
|
| Oefening 2 | |||||
| 1. | 240 | + | 205 | = |
|
| 2. | 493 | + | 386 | = |
|
| 3. | 447 | + | 329 | = |
|
| 4. | 392 | + | 368 | = |
|
| 5. | 361 | + | 193 | = |
|
| 6. | 419 | + | 215 | = |
|
| 7. | 295 | + | 114 | = |
|
| 8. | 357 | + | 303 | = |
|
| 9. | 222 | + | 128 | = |
|
| 10. | 267 | + | 188 | = |
|
| Oefening 3 | |||||
| 1. | 309 | + | 221 | = |
|
| 2. | 447 | + | 219 | = |
|
| 3. | 237 | + | 197 | = |
|
| 4. | 391 | + | 384 | = |
|
| 5. | 252 | + | 169 | = |
|
| 6. | 333 | + | 313 | = |
|
| 7. | 461 | + | 302 | = |
|
| 8. | 485 | + | 119 | = |
|
| 9. | 205 | + | 143 | = |
|
| 10. | 280 | + | 229 | = |
|
| Oefening 4 | |||||
| 1. | 413 | + | 341 | = |
|
| 2. | 323 | + | 156 | = |
|
| 3. | 434 | + | 123 | = |
|
| 4. | 465 | + | 441 | = |
|
| 5. | 164 | + | 117 | = |
|
| 6. | 427 | + | 260 | = |
|
| 7. | 500 | + | 451 | = |
|
| 8. | 250 | + | 151 | = |
|
| 9. | 451 | + | 431 | = |
|
| 10. | 396 | + | 214 | = |
|