Erbijsommen t/m 500
Optellen
| 1. | 177 + 163 = |
356
|
235
|
340
|
358
|
| 2. | 203 + 154 = |
312
|
267
|
357
|
227
|
| 3. | 220 + 203 = |
226
|
404
|
321
|
423
|
| 4. | 167 + 59 = |
325
|
443
|
226
|
436
|
| 5. | 250 + 225 = |
223
|
445
|
475
|
288
|
| 6. | 93 + 75 = |
168
|
128
|
156
|
117
|
| 7. | 83 + 57 = |
131
|
169
|
134
|
140
|
| 8. | 238 + 205 = |
246
|
477
|
290
|
443
|
| 9. | 238 + 189 = |
228
|
427
|
347
|
247
|
| 10. | 241 + 80 = |
480
|
371
|
490
|
321
|
| 11. | 250 + 226 = |
318
|
345
|
476
|
480
|
| 12. | 218 + 166 = |
409
|
445
|
367
|
384
|