Erbijsommen t/m 500
Optellen
| 1. | 224 + 164 = |
233
|
378
|
388
|
228
|
| 2. | 81 + 61 = |
141
|
115
|
142
|
165
|
| 3. | 116 + 83 = |
196
|
105
|
121
|
199
|
| 4. | 234 + 160 = |
272
|
219
|
394
|
306
|
| 5. | 191 + 53 = |
410
|
459
|
244
|
497
|
| 6. | 178 + 152 = |
330
|
309
|
333
|
470
|
| 7. | 160 + 55 = |
345
|
215
|
226
|
431
|
| 8. | 212 + 83 = |
295
|
461
|
463
|
289
|
| 9. | 219 + 106 = |
424
|
253
|
420
|
325
|
| 10. | 108 + 60 = |
168
|
114
|
148
|
151
|
| 11. | 234 + 105 = |
339
|
378
|
268
|
478
|
| 12. | 240 + 191 = |
348
|
431
|
428
|
344
|