Erbijsommen tot 1.000
Erbijsommen
| Oefening 1 | |||||
| 1. | 478 | + | 443 | = |
|
| 2. | 203 | + | 137 | = |
|
| 3. | 266 | + | 204 | = |
|
| 4. | 395 | + | 365 | = |
|
| 5. | 406 | + | 274 | = |
|
| 6. | 389 | + | 147 | = |
|
| 7. | 249 | + | 194 | = |
|
| 8. | 383 | + | 221 | = |
|
| 9. | 374 | + | 278 | = |
|
| 10. | 450 | + | 220 | = |
|
| Oefening 2 | |||||
| 1. | 281 | + | 112 | = |
|
| 2. | 423 | + | 318 | = |
|
| 3. | 497 | + | 479 | = |
|
| 4. | 303 | + | 289 | = |
|
| 5. | 336 | + | 164 | = |
|
| 6. | 437 | + | 222 | = |
|
| 7. | 389 | + | 215 | = |
|
| 8. | 396 | + | 389 | = |
|
| 9. | 495 | + | 234 | = |
|
| 10. | 195 | + | 161 | = |
|
| Oefening 3 | |||||
| 1. | 479 | + | 398 | = |
|
| 2. | 332 | + | 174 | = |
|
| 3. | 253 | + | 243 | = |
|
| 4. | 237 | + | 107 | = |
|
| 5. | 426 | + | 312 | = |
|
| 6. | 376 | + | 152 | = |
|
| 7. | 285 | + | 171 | = |
|
| 8. | 274 | + | 169 | = |
|
| 9. | 480 | + | 113 | = |
|
| 10. | 414 | + | 258 | = |
|
| Oefening 4 | |||||
| 1. | 221 | + | 193 | = |
|
| 2. | 223 | + | 216 | = |
|
| 3. | 435 | + | 427 | = |
|
| 4. | 298 | + | 182 | = |
|
| 5. | 265 | + | 125 | = |
|
| 6. | 282 | + | 170 | = |
|
| 7. | 462 | + | 178 | = |
|
| 8. | 367 | + | 234 | = |
|
| 9. | 362 | + | 339 | = |
|
| 10. | 383 | + | 171 | = |
|