Erbijsommen t/m 500
Optellen
| 1. | 142 + 52 = |
154
|
188
|
194
|
151
|
| 2. | 208 + 53 = |
431
|
261
|
356
|
399
|
| 3. | 181 + 179 = |
333
|
340
|
360
|
298
|
| 4. | 131 + 90 = |
399
|
446
|
248
|
221
|
| 5. | 190 + 175 = |
205
|
365
|
221
|
222
|
| 6. | 206 + 161 = |
228
|
393
|
367
|
493
|
| 7. | 231 + 171 = |
455
|
368
|
402
|
273
|
| 8. | 213 + 78 = |
469
|
291
|
432
|
449
|
| 9. | 210 + 111 = |
321
|
331
|
326
|
349
|
| 10. | 182 + 89 = |
271
|
348
|
321
|
416
|
| 11. | 80 + 61 = |
141
|
151
|
196
|
107
|
| 12. | 68 + 60 = |
128
|
171
|
169
|
135
|