Erbijsommen tot 1.000
Erbijsommen
| Oefening 1 | |||||
| 1. | 457 | + | 385 | = |
|
| 2. | 273 | + | 142 | = |
|
| 3. | 447 | + | 331 | = |
|
| 4. | 366 | + | 320 | = |
|
| 5. | 240 | + | 202 | = |
|
| 6. | 360 | + | 156 | = |
|
| 7. | 446 | + | 400 | = |
|
| 8. | 175 | + | 156 | = |
|
| 9. | 415 | + | 356 | = |
|
| 10. | 296 | + | 219 | = |
|
| Oefening 2 | |||||
| 1. | 441 | + | 431 | = |
|
| 2. | 335 | + | 262 | = |
|
| 3. | 461 | + | 454 | = |
|
| 4. | 241 | + | 133 | = |
|
| 5. | 185 | + | 133 | = |
|
| 6. | 321 | + | 135 | = |
|
| 7. | 245 | + | 196 | = |
|
| 8. | 459 | + | 433 | = |
|
| 9. | 421 | + | 415 | = |
|
| 10. | 480 | + | 260 | = |
|
| Oefening 3 | |||||
| 1. | 358 | + | 176 | = |
|
| 2. | 481 | + | 357 | = |
|
| 3. | 497 | + | 277 | = |
|
| 4. | 491 | + | 101 | = |
|
| 5. | 426 | + | 360 | = |
|
| 6. | 231 | + | 108 | = |
|
| 7. | 388 | + | 119 | = |
|
| 8. | 473 | + | 113 | = |
|
| 9. | 453 | + | 239 | = |
|
| 10. | 306 | + | 243 | = |
|
| Oefening 4 | |||||
| 1. | 350 | + | 287 | = |
|
| 2. | 364 | + | 232 | = |
|
| 3. | 334 | + | 201 | = |
|
| 4. | 437 | + | 231 | = |
|
| 5. | 423 | + | 321 | = |
|
| 6. | 462 | + | 361 | = |
|
| 7. | 324 | + | 256 | = |
|
| 8. | 353 | + | 152 | = |
|
| 9. | 177 | + | 135 | = |
|
| 10. | 261 | + | 136 | = |
|