Erbijsommen t/m 500
Optellen
| 1. | 228 + 225 = |
323
|
291
|
293
|
453
|
| 2. | 197 + 190 = |
237
|
387
|
479
|
392
|
| 3. | 155 + 154 = |
421
|
309
|
239
|
256
|
| 4. | 119 + 58 = |
118
|
110
|
177
|
124
|
| 5. | 119 + 106 = |
273
|
367
|
225
|
379
|
| 6. | 225 + 92 = |
429
|
317
|
477
|
421
|
| 7. | 160 + 146 = |
335
|
310
|
306
|
452
|
| 8. | 184 + 164 = |
348
|
284
|
347
|
237
|
| 9. | 91 + 55 = |
160
|
187
|
146
|
107
|
| 10. | 208 + 205 = |
399
|
413
|
397
|
381
|
| 11. | 83 + 74 = |
145
|
126
|
157
|
193
|
| 12. | 213 + 186 = |
399
|
289
|
300
|
215
|