Erbijsommen t/m 500
Optellen
| 1. | 181 + 80 = |
261
|
470
|
309
|
481
|
| 2. | 152 + 73 = |
225
|
487
|
362
|
418
|
| 3. | 80 + 50 = |
174
|
115
|
152
|
130
|
| 4. | 105 + 91 = |
196
|
120
|
122
|
123
|
| 5. | 63 + 53 = |
116
|
174
|
113
|
195
|
| 6. | 214 + 67 = |
228
|
465
|
281
|
423
|
| 7. | 197 + 60 = |
278
|
257
|
407
|
383
|
| 8. | 137 + 88 = |
289
|
429
|
396
|
225
|
| 9. | 194 + 86 = |
496
|
289
|
378
|
280
|
| 10. | 216 + 197 = |
413
|
343
|
493
|
410
|
| 11. | 171 + 144 = |
472
|
482
|
217
|
315
|
| 12. | 216 + 181 = |
351
|
210
|
447
|
397
|