Erbijsommen tot 1.000
Erbijsommen
| Oefening 1 | |||||
| 1. | 447 | + | 357 | = |
|
| 2. | 177 | + | 128 | = |
|
| 3. | 462 | + | 391 | = |
|
| 4. | 129 | + | 120 | = |
|
| 5. | 304 | + | 171 | = |
|
| 6. | 259 | + | 193 | = |
|
| 7. | 272 | + | 153 | = |
|
| 8. | 304 | + | 125 | = |
|
| 9. | 495 | + | 177 | = |
|
| 10. | 426 | + | 207 | = |
|
| Oefening 2 | |||||
| 1. | 488 | + | 251 | = |
|
| 2. | 182 | + | 119 | = |
|
| 3. | 464 | + | 400 | = |
|
| 4. | 416 | + | 323 | = |
|
| 5. | 378 | + | 329 | = |
|
| 6. | 333 | + | 120 | = |
|
| 7. | 143 | + | 104 | = |
|
| 8. | 248 | + | 217 | = |
|
| 9. | 451 | + | 238 | = |
|
| 10. | 280 | + | 212 | = |
|
| Oefening 3 | |||||
| 1. | 386 | + | 297 | = |
|
| 2. | 313 | + | 225 | = |
|
| 3. | 278 | + | 231 | = |
|
| 4. | 232 | + | 124 | = |
|
| 5. | 262 | + | 177 | = |
|
| 6. | 334 | + | 289 | = |
|
| 7. | 415 | + | 161 | = |
|
| 8. | 221 | + | 148 | = |
|
| 9. | 287 | + | 141 | = |
|
| 10. | 198 | + | 184 | = |
|
| Oefening 4 | |||||
| 1. | 495 | + | 263 | = |
|
| 2. | 471 | + | 178 | = |
|
| 3. | 261 | + | 124 | = |
|
| 4. | 266 | + | 154 | = |
|
| 5. | 228 | + | 122 | = |
|
| 6. | 297 | + | 292 | = |
|
| 7. | 449 | + | 194 | = |
|
| 8. | 412 | + | 188 | = |
|
| 9. | 281 | + | 179 | = |
|
| 10. | 478 | + | 158 | = |
|