Erbijsommen t/m 500
Optellen
| 1. | 151 + 82 = |
357
|
368
|
233
|
268
|
| 2. | 151 + 114 = |
302
|
265
|
242
|
347
|
| 3. | 169 + 154 = |
323
|
327
|
261
|
299
|
| 4. | 239 + 226 = |
424
|
454
|
465
|
300
|
| 5. | 73 + 56 = |
129
|
177
|
181
|
168
|
| 6. | 221 + 163 = |
253
|
384
|
269
|
235
|
| 7. | 194 + 129 = |
323
|
237
|
284
|
424
|
| 8. | 248 + 51 = |
299
|
424
|
220
|
238
|
| 9. | 173 + 114 = |
340
|
480
|
287
|
370
|
| 10. | 203 + 186 = |
444
|
217
|
389
|
495
|
| 11. | 190 + 107 = |
415
|
297
|
466
|
321
|
| 12. | 217 + 111 = |
236
|
328
|
306
|
347
|