Erbijsommen tot 1.000
Erbijsommen
| Oefening 1 | |||||
| 1. | 443 | + | 174 | = |
|
| 2. | 497 | + | 263 | = |
|
| 3. | 321 | + | 109 | = |
|
| 4. | 275 | + | 259 | = |
|
| 5. | 453 | + | 339 | = |
|
| 6. | 349 | + | 220 | = |
|
| 7. | 352 | + | 270 | = |
|
| 8. | 424 | + | 421 | = |
|
| 9. | 280 | + | 272 | = |
|
| 10. | 235 | + | 113 | = |
|
| Oefening 2 | |||||
| 1. | 253 | + | 189 | = |
|
| 2. | 264 | + | 205 | = |
|
| 3. | 206 | + | 125 | = |
|
| 4. | 496 | + | 131 | = |
|
| 5. | 457 | + | 104 | = |
|
| 6. | 485 | + | 165 | = |
|
| 7. | 247 | + | 229 | = |
|
| 8. | 379 | + | 342 | = |
|
| 9. | 409 | + | 136 | = |
|
| 10. | 163 | + | 154 | = |
|
| Oefening 3 | |||||
| 1. | 500 | + | 153 | = |
|
| 2. | 454 | + | 412 | = |
|
| 3. | 428 | + | 338 | = |
|
| 4. | 491 | + | 169 | = |
|
| 5. | 493 | + | 138 | = |
|
| 6. | 473 | + | 170 | = |
|
| 7. | 433 | + | 150 | = |
|
| 8. | 390 | + | 380 | = |
|
| 9. | 408 | + | 139 | = |
|
| 10. | 459 | + | 164 | = |
|
| Oefening 4 | |||||
| 1. | 490 | + | 282 | = |
|
| 2. | 338 | + | 202 | = |
|
| 3. | 159 | + | 112 | = |
|
| 4. | 400 | + | 179 | = |
|
| 5. | 346 | + | 202 | = |
|
| 6. | 114 | + | 110 | = |
|
| 7. | 448 | + | 173 | = |
|
| 8. | 390 | + | 242 | = |
|
| 9. | 166 | + | 150 | = |
|
| 10. | 261 | + | 156 | = |
|