Erbijsommen tot 1.000
Erbijsommen
| Oefening 1 | |||||
| 1. | 139 | + | 130 | = |
|
| 2. | 471 | + | 437 | = |
|
| 3. | 402 | + | 378 | = |
|
| 4. | 235 | + | 200 | = |
|
| 5. | 342 | + | 155 | = |
|
| 6. | 298 | + | 151 | = |
|
| 7. | 312 | + | 165 | = |
|
| 8. | 253 | + | 119 | = |
|
| 9. | 291 | + | 138 | = |
|
| 10. | 486 | + | 476 | = |
|
| Oefening 2 | |||||
| 1. | 387 | + | 154 | = |
|
| 2. | 386 | + | 108 | = |
|
| 3. | 429 | + | 417 | = |
|
| 4. | 153 | + | 144 | = |
|
| 5. | 417 | + | 269 | = |
|
| 6. | 461 | + | 302 | = |
|
| 7. | 149 | + | 109 | = |
|
| 8. | 311 | + | 145 | = |
|
| 9. | 397 | + | 217 | = |
|
| 10. | 346 | + | 196 | = |
|
| Oefening 3 | |||||
| 1. | 445 | + | 178 | = |
|
| 2. | 298 | + | 296 | = |
|
| 3. | 492 | + | 319 | = |
|
| 4. | 337 | + | 309 | = |
|
| 5. | 334 | + | 287 | = |
|
| 6. | 120 | + | 105 | = |
|
| 7. | 323 | + | 295 | = |
|
| 8. | 356 | + | 103 | = |
|
| 9. | 300 | + | 222 | = |
|
| 10. | 470 | + | 224 | = |
|
| Oefening 4 | |||||
| 1. | 282 | + | 278 | = |
|
| 2. | 339 | + | 147 | = |
|
| 3. | 275 | + | 103 | = |
|
| 4. | 133 | + | 121 | = |
|
| 5. | 415 | + | 397 | = |
|
| 6. | 482 | + | 160 | = |
|
| 7. | 205 | + | 184 | = |
|
| 8. | 486 | + | 434 | = |
|
| 9. | 293 | + | 236 | = |
|
| 10. | 437 | + | 317 | = |
|