Erbijsommen tot 1.000
Erbijsommen
| Oefening 1 | |||||
| 1. | 489 | + | 379 | = |
|
| 2. | 487 | + | 307 | = |
|
| 3. | 272 | + | 225 | = |
|
| 4. | 312 | + | 142 | = |
|
| 5. | 333 | + | 219 | = |
|
| 6. | 340 | + | 287 | = |
|
| 7. | 377 | + | 101 | = |
|
| 8. | 257 | + | 140 | = |
|
| 9. | 295 | + | 264 | = |
|
| 10. | 424 | + | 284 | = |
|
| Oefening 2 | |||||
| 1. | 294 | + | 273 | = |
|
| 2. | 488 | + | 195 | = |
|
| 3. | 479 | + | 426 | = |
|
| 4. | 293 | + | 118 | = |
|
| 5. | 348 | + | 339 | = |
|
| 6. | 234 | + | 116 | = |
|
| 7. | 152 | + | 134 | = |
|
| 8. | 486 | + | 137 | = |
|
| 9. | 158 | + | 127 | = |
|
| 10. | 360 | + | 289 | = |
|
| Oefening 3 | |||||
| 1. | 354 | + | 263 | = |
|
| 2. | 496 | + | 322 | = |
|
| 3. | 258 | + | 222 | = |
|
| 4. | 411 | + | 101 | = |
|
| 5. | 262 | + | 161 | = |
|
| 6. | 170 | + | 161 | = |
|
| 7. | 494 | + | 190 | = |
|
| 8. | 421 | + | 213 | = |
|
| 9. | 384 | + | 119 | = |
|
| 10. | 341 | + | 132 | = |
|
| Oefening 4 | |||||
| 1. | 224 | + | 127 | = |
|
| 2. | 494 | + | 287 | = |
|
| 3. | 496 | + | 247 | = |
|
| 4. | 417 | + | 132 | = |
|
| 5. | 267 | + | 223 | = |
|
| 6. | 409 | + | 124 | = |
|
| 7. | 341 | + | 267 | = |
|
| 8. | 367 | + | 159 | = |
|
| 9. | 405 | + | 136 | = |
|
| 10. | 416 | + | 290 | = |
|