Erbijsommen t/m 500
Optellen
| 1. | 211 + 173 = |
481
|
384
|
259
|
359
|
| 2. | 226 + 72 = |
274
|
219
|
298
|
427
|
| 3. | 171 + 83 = |
254
|
478
|
232
|
331
|
| 4. | 71 + 62 = |
138
|
133
|
154
|
120
|
| 5. | 227 + 216 = |
266
|
213
|
443
|
396
|
| 6. | 186 + 104 = |
486
|
478
|
290
|
363
|
| 7. | 182 + 50 = |
406
|
232
|
374
|
323
|
| 8. | 56 + 55 = |
159
|
164
|
160
|
111
|
| 9. | 209 + 193 = |
402
|
314
|
221
|
472
|
| 10. | 139 + 91 = |
327
|
230
|
426
|
305
|
| 11. | 181 + 135 = |
375
|
316
|
474
|
473
|
| 12. | 238 + 64 = |
372
|
302
|
458
|
386
|