Erbijsommen t/m 500
Optellen
| 1. | 211 + 210 = |
491
|
421
|
236
|
292
|
| 2. | 166 + 86 = |
208
|
365
|
252
|
426
|
| 3. | 89 + 54 = |
119
|
159
|
143
|
109
|
| 4. | 194 + 84 = |
278
|
442
|
206
|
344
|
| 5. | 142 + 82 = |
253
|
344
|
224
|
451
|
| 6. | 206 + 118 = |
365
|
275
|
414
|
324
|
| 7. | 249 + 61 = |
310
|
302
|
470
|
349
|
| 8. | 197 + 145 = |
373
|
315
|
363
|
342
|
| 9. | 203 + 186 = |
474
|
289
|
389
|
371
|
| 10. | 184 + 167 = |
351
|
342
|
321
|
495
|
| 11. | 159 + 143 = |
302
|
410
|
316
|
379
|
| 12. | 231 + 182 = |
413
|
313
|
240
|
359
|