Erbijsommen t/m 500
Optellen
| 1. | 230 + 122 = |
352
|
386
|
339
|
288
|
| 2. | 223 + 155 = |
378
|
415
|
296
|
206
|
| 3. | 191 + 160 = |
204
|
424
|
458
|
351
|
| 4. | 86 + 81 = |
142
|
139
|
167
|
118
|
| 5. | 234 + 61 = |
371
|
430
|
295
|
494
|
| 6. | 146 + 109 = |
255
|
207
|
358
|
492
|
| 7. | 218 + 114 = |
308
|
351
|
483
|
332
|
| 8. | 246 + 239 = |
485
|
477
|
422
|
482
|
| 9. | 185 + 115 = |
383
|
445
|
300
|
417
|
| 10. | 66 + 58 = |
174
|
153
|
124
|
102
|
| 11. | 138 + 106 = |
483
|
244
|
407
|
340
|
| 12. | 242 + 198 = |
261
|
483
|
404
|
440
|