Erbijsommen tot 1.000
Erbijsommen
| Oefening 1 | |||||
| 1. | 181 | + | 141 | = |
|
| 2. | 393 | + | 285 | = |
|
| 3. | 331 | + | 190 | = |
|
| 4. | 490 | + | 455 | = |
|
| 5. | 410 | + | 153 | = |
|
| 6. | 353 | + | 342 | = |
|
| 7. | 271 | + | 245 | = |
|
| 8. | 354 | + | 195 | = |
|
| 9. | 407 | + | 252 | = |
|
| 10. | 441 | + | 337 | = |
|
| Oefening 2 | |||||
| 1. | 452 | + | 260 | = |
|
| 2. | 220 | + | 100 | = |
|
| 3. | 399 | + | 287 | = |
|
| 4. | 432 | + | 261 | = |
|
| 5. | 474 | + | 297 | = |
|
| 6. | 378 | + | 126 | = |
|
| 7. | 480 | + | 458 | = |
|
| 8. | 487 | + | 376 | = |
|
| 9. | 366 | + | 352 | = |
|
| 10. | 323 | + | 102 | = |
|
| Oefening 3 | |||||
| 1. | 368 | + | 296 | = |
|
| 2. | 476 | + | 101 | = |
|
| 3. | 485 | + | 351 | = |
|
| 4. | 495 | + | 327 | = |
|
| 5. | 277 | + | 243 | = |
|
| 6. | 379 | + | 316 | = |
|
| 7. | 497 | + | 273 | = |
|
| 8. | 450 | + | 312 | = |
|
| 9. | 461 | + | 367 | = |
|
| 10. | 485 | + | 130 | = |
|
| Oefening 4 | |||||
| 1. | 374 | + | 249 | = |
|
| 2. | 310 | + | 161 | = |
|
| 3. | 292 | + | 152 | = |
|
| 4. | 222 | + | 121 | = |
|
| 5. | 325 | + | 247 | = |
|
| 6. | 369 | + | 117 | = |
|
| 7. | 313 | + | 138 | = |
|
| 8. | 372 | + | 125 | = |
|
| 9. | 447 | + | 386 | = |
|
| 10. | 284 | + | 201 | = |
|