Erbijsommen t/m 500
Optellen
| 1. | 188 + 50 = |
486
|
238
|
422
|
407
|
| 2. | 239 + 175 = |
303
|
414
|
429
|
264
|
| 3. | 129 + 106 = |
384
|
372
|
235
|
388
|
| 4. | 105 + 95 = |
168
|
159
|
200
|
134
|
| 5. | 205 + 202 = |
236
|
472
|
201
|
407
|
| 6. | 104 + 55 = |
181
|
140
|
159
|
148
|
| 7. | 230 + 82 = |
312
|
451
|
489
|
388
|
| 8. | 243 + 120 = |
345
|
363
|
486
|
350
|
| 9. | 148 + 72 = |
284
|
254
|
285
|
220
|
| 10. | 218 + 147 = |
365
|
465
|
279
|
260
|
| 11. | 182 + 134 = |
429
|
241
|
459
|
316
|
| 12. | 240 + 165 = |
405
|
433
|
312
|
488
|