Erbijsommen t/m 500
Optellen
| 1. | 142 + 122 = |
264
|
212
|
425
|
274
|
| 2. | 171 + 53 = |
429
|
427
|
318
|
224
|
| 3. | 228 + 123 = |
212
|
354
|
351
|
348
|
| 4. | 225 + 52 = |
268
|
314
|
300
|
277
|
| 5. | 145 + 97 = |
242
|
326
|
493
|
269
|
| 6. | 106 + 69 = |
165
|
140
|
190
|
175
|
| 7. | 181 + 176 = |
278
|
308
|
357
|
384
|
| 8. | 164 + 61 = |
383
|
262
|
450
|
225
|
| 9. | 137 + 66 = |
463
|
203
|
409
|
234
|
| 10. | 227 + 99 = |
326
|
390
|
353
|
242
|
| 11. | 127 + 122 = |
252
|
422
|
249
|
308
|
| 12. | 248 + 72 = |
239
|
488
|
320
|
423
|