Erbijsommen t/m 500
Optellen
| 1. | 177 + 81 = |
486
|
230
|
274
|
258
|
| 2. | 245 + 116 = |
263
|
292
|
361
|
359
|
| 3. | 108 + 64 = |
172
|
135
|
137
|
151
|
| 4. | 197 + 53 = |
416
|
325
|
444
|
250
|
| 5. | 142 + 141 = |
461
|
212
|
394
|
283
|
| 6. | 206 + 205 = |
411
|
233
|
268
|
338
|
| 7. | 240 + 61 = |
302
|
293
|
301
|
300
|
| 8. | 184 + 69 = |
253
|
393
|
287
|
360
|
| 9. | 190 + 138 = |
319
|
355
|
464
|
328
|
| 10. | 225 + 84 = |
416
|
309
|
439
|
437
|
| 11. | 189 + 61 = |
226
|
347
|
371
|
250
|
| 12. | 117 + 87 = |
499
|
468
|
394
|
204
|