Erbijsommen t/m 500
Optellen
| 1. | 239 + 143 = |
289
|
382
|
427
|
235
|
| 2. | 177 + 139 = |
425
|
348
|
316
|
383
|
| 3. | 209 + 133 = |
290
|
373
|
342
|
343
|
| 4. | 147 + 74 = |
221
|
431
|
229
|
301
|
| 5. | 201 + 94 = |
295
|
445
|
410
|
374
|
| 6. | 174 + 170 = |
303
|
344
|
256
|
325
|
| 7. | 76 + 69 = |
145
|
176
|
117
|
120
|
| 8. | 214 + 160 = |
344
|
374
|
347
|
493
|
| 9. | 222 + 105 = |
327
|
256
|
487
|
240
|
| 10. | 242 + 208 = |
450
|
479
|
443
|
298
|
| 11. | 207 + 164 = |
437
|
371
|
224
|
201
|
| 12. | 136 + 113 = |
265
|
249
|
221
|
208
|