Erbijsommen t/m 500
Optellen
| 1. | 231 + 182 = |
413
|
387
|
361
|
288
|
| 2. | 187 + 136 = |
202
|
389
|
323
|
335
|
| 3. | 166 + 143 = |
277
|
309
|
343
|
498
|
| 4. | 222 + 210 = |
285
|
382
|
227
|
432
|
| 5. | 137 + 74 = |
365
|
208
|
211
|
327
|
| 6. | 207 + 146 = |
204
|
353
|
457
|
476
|
| 7. | 245 + 105 = |
341
|
350
|
393
|
286
|
| 8. | 230 + 185 = |
240
|
415
|
205
|
490
|
| 9. | 233 + 75 = |
308
|
306
|
455
|
248
|
| 10. | 121 + 92 = |
298
|
213
|
415
|
472
|
| 11. | 181 + 87 = |
268
|
314
|
372
|
215
|
| 12. | 223 + 88 = |
250
|
311
|
344
|
212
|