Erbijsommen tot 1.000
Erbijsommen
| Oefening 1 | |||||
| 1. | 134 | + | 125 | = |
|
| 2. | 247 | + | 175 | = |
|
| 3. | 172 | + | 145 | = |
|
| 4. | 409 | + | 406 | = |
|
| 5. | 496 | + | 225 | = |
|
| 6. | 258 | + | 171 | = |
|
| 7. | 483 | + | 355 | = |
|
| 8. | 485 | + | 267 | = |
|
| 9. | 403 | + | 216 | = |
|
| 10. | 357 | + | 199 | = |
|
| Oefening 2 | |||||
| 1. | 408 | + | 285 | = |
|
| 2. | 416 | + | 407 | = |
|
| 3. | 347 | + | 255 | = |
|
| 4. | 496 | + | 241 | = |
|
| 5. | 327 | + | 243 | = |
|
| 6. | 140 | + | 117 | = |
|
| 7. | 497 | + | 495 | = |
|
| 8. | 465 | + | 103 | = |
|
| 9. | 384 | + | 248 | = |
|
| 10. | 196 | + | 108 | = |
|
| Oefening 3 | |||||
| 1. | 332 | + | 170 | = |
|
| 2. | 280 | + | 123 | = |
|
| 3. | 344 | + | 212 | = |
|
| 4. | 490 | + | 113 | = |
|
| 5. | 452 | + | 270 | = |
|
| 6. | 460 | + | 428 | = |
|
| 7. | 480 | + | 104 | = |
|
| 8. | 452 | + | 350 | = |
|
| 9. | 334 | + | 309 | = |
|
| 10. | 488 | + | 109 | = |
|
| Oefening 4 | |||||
| 1. | 328 | + | 128 | = |
|
| 2. | 415 | + | 275 | = |
|
| 3. | 271 | + | 104 | = |
|
| 4. | 266 | + | 260 | = |
|
| 5. | 249 | + | 156 | = |
|
| 6. | 452 | + | 443 | = |
|
| 7. | 441 | + | 398 | = |
|
| 8. | 482 | + | 119 | = |
|
| 9. | 316 | + | 246 | = |
|
| 10. | 254 | + | 143 | = |
|