Erbijsommen t/m 500
Optellen
| 1. | 245 + 94 = |
339
|
280
|
428
|
375
|
| 2. | 137 + 125 = |
267
|
474
|
218
|
262
|
| 3. | 156 + 120 = |
477
|
276
|
428
|
358
|
| 4. | 244 + 137 = |
245
|
497
|
428
|
381
|
| 5. | 144 + 140 = |
284
|
320
|
368
|
261
|
| 6. | 216 + 183 = |
409
|
328
|
399
|
294
|
| 7. | 172 + 54 = |
206
|
293
|
226
|
333
|
| 8. | 168 + 121 = |
265
|
284
|
289
|
404
|
| 9. | 133 + 78 = |
314
|
211
|
253
|
258
|
| 10. | 68 + 61 = |
114
|
129
|
123
|
140
|
| 11. | 150 + 128 = |
225
|
278
|
311
|
296
|
| 12. | 218 + 211 = |
426
|
355
|
429
|
400
|