Erbijsommen t/m 500
Optellen
| 1. | 231 + 195 = |
242
|
416
|
426
|
219
|
| 2. | 144 + 58 = |
330
|
202
|
474
|
222
|
| 3. | 217 + 170 = |
477
|
310
|
387
|
325
|
| 4. | 222 + 216 = |
438
|
211
|
369
|
204
|
| 5. | 209 + 86 = |
438
|
295
|
411
|
409
|
| 6. | 134 + 129 = |
347
|
263
|
220
|
470
|
| 7. | 131 + 109 = |
247
|
301
|
240
|
278
|
| 8. | 227 + 218 = |
443
|
445
|
216
|
380
|
| 9. | 201 + 134 = |
246
|
324
|
335
|
409
|
| 10. | 144 + 80 = |
337
|
273
|
212
|
224
|
| 11. | 212 + 91 = |
334
|
287
|
377
|
303
|
| 12. | 143 + 89 = |
487
|
357
|
232
|
451
|