Erbijsommen t/m 500
Optellen
| 1. | 238 + 203 = |
441
|
288
|
426
|
281
|
| 2. | 141 + 96 = |
490
|
321
|
237
|
243
|
| 3. | 240 + 80 = |
403
|
408
|
309
|
320
|
| 4. | 163 + 78 = |
435
|
241
|
390
|
439
|
| 5. | 73 + 70 = |
113
|
143
|
103
|
119
|
| 6. | 173 + 127 = |
300
|
353
|
255
|
317
|
| 7. | 191 + 109 = |
413
|
370
|
300
|
334
|
| 8. | 169 + 69 = |
283
|
486
|
499
|
238
|
| 9. | 228 + 215 = |
443
|
496
|
369
|
331
|
| 10. | 247 + 112 = |
407
|
229
|
359
|
205
|
| 11. | 81 + 50 = |
151
|
112
|
200
|
131
|
| 12. | 173 + 170 = |
317
|
360
|
343
|
493
|