Erbijsommen t/m 500
Optellen
| 1. | 237 + 234 = |
471
|
489
|
266
|
394
|
| 2. | 148 + 143 = |
326
|
285
|
291
|
245
|
| 3. | 122 + 72 = |
139
|
194
|
116
|
186
|
| 4. | 228 + 71 = |
336
|
312
|
498
|
299
|
| 5. | 117 + 97 = |
214
|
474
|
430
|
324
|
| 6. | 210 + 128 = |
279
|
490
|
338
|
419
|
| 7. | 104 + 82 = |
155
|
186
|
101
|
128
|
| 8. | 97 + 86 = |
116
|
183
|
148
|
143
|
| 9. | 191 + 75 = |
248
|
327
|
266
|
265
|
| 10. | 159 + 153 = |
315
|
243
|
312
|
422
|
| 11. | 226 + 187 = |
413
|
377
|
307
|
485
|
| 12. | 172 + 77 = |
443
|
413
|
249
|
374
|