Erbijsommen tot 1.000
Erbijsommen
| Oefening 1 | |||||
| 1. | 284 | + | 139 | = |
|
| 2. | 374 | + | 206 | = |
|
| 3. | 456 | + | 157 | = |
|
| 4. | 453 | + | 167 | = |
|
| 5. | 460 | + | 443 | = |
|
| 6. | 459 | + | 309 | = |
|
| 7. | 495 | + | 198 | = |
|
| 8. | 446 | + | 268 | = |
|
| 9. | 299 | + | 210 | = |
|
| 10. | 223 | + | 141 | = |
|
| Oefening 2 | |||||
| 1. | 335 | + | 327 | = |
|
| 2. | 229 | + | 201 | = |
|
| 3. | 492 | + | 471 | = |
|
| 4. | 178 | + | 150 | = |
|
| 5. | 245 | + | 128 | = |
|
| 6. | 348 | + | 297 | = |
|
| 7. | 380 | + | 234 | = |
|
| 8. | 367 | + | 305 | = |
|
| 9. | 431 | + | 430 | = |
|
| 10. | 500 | + | 270 | = |
|
| Oefening 3 | |||||
| 1. | 195 | + | 188 | = |
|
| 2. | 228 | + | 157 | = |
|
| 3. | 476 | + | 242 | = |
|
| 4. | 481 | + | 162 | = |
|
| 5. | 397 | + | 397 | = |
|
| 6. | 453 | + | 114 | = |
|
| 7. | 419 | + | 224 | = |
|
| 8. | 469 | + | 188 | = |
|
| 9. | 401 | + | 152 | = |
|
| 10. | 285 | + | 266 | = |
|
| Oefening 4 | |||||
| 1. | 483 | + | 380 | = |
|
| 2. | 433 | + | 372 | = |
|
| 3. | 495 | + | 318 | = |
|
| 4. | 315 | + | 271 | = |
|
| 5. | 417 | + | 373 | = |
|
| 6. | 429 | + | 335 | = |
|
| 7. | 308 | + | 181 | = |
|
| 8. | 295 | + | 126 | = |
|
| 9. | 241 | + | 211 | = |
|
| 10. | 286 | + | 278 | = |
|