Erbijsommen t/m 500
Optellen
| 1. | 247 + 177 = |
411
|
393
|
283
|
424
|
| 2. | 72 + 60 = |
184
|
139
|
132
|
183
|
| 3. | 154 + 113 = |
481
|
301
|
267
|
486
|
| 4. | 240 + 173 = |
252
|
466
|
413
|
227
|
| 5. | 148 + 105 = |
322
|
370
|
430
|
253
|
| 6. | 222 + 117 = |
352
|
339
|
414
|
233
|
| 7. | 222 + 143 = |
332
|
365
|
275
|
392
|
| 8. | 123 + 116 = |
491
|
478
|
258
|
239
|
| 9. | 242 + 172 = |
410
|
402
|
414
|
391
|
| 10. | 196 + 176 = |
426
|
470
|
372
|
386
|
| 11. | 155 + 139 = |
294
|
490
|
233
|
349
|
| 12. | 242 + 232 = |
251
|
355
|
447
|
474
|