Erbijsommen t/m 500
Optellen
| 1. | 249 + 133 = |
323
|
211
|
382
|
231
|
| 2. | 93 + 90 = |
116
|
183
|
128
|
151
|
| 3. | 230 + 104 = |
431
|
334
|
325
|
454
|
| 4. | 212 + 181 = |
470
|
471
|
377
|
393
|
| 5. | 235 + 121 = |
356
|
269
|
307
|
367
|
| 6. | 147 + 111 = |
258
|
333
|
216
|
273
|
| 7. | 177 + 89 = |
320
|
427
|
266
|
232
|
| 8. | 228 + 190 = |
418
|
293
|
217
|
420
|
| 9. | 143 + 129 = |
465
|
297
|
272
|
492
|
| 10. | 172 + 162 = |
343
|
461
|
334
|
245
|
| 11. | 174 + 155 = |
394
|
232
|
329
|
302
|
| 12. | 217 + 137 = |
354
|
220
|
224
|
420
|