Erbijsommen t/m 500
Optellen
| 1. | 230 + 131 = |
361
|
335
|
312
|
424
|
| 2. | 148 + 124 = |
370
|
244
|
406
|
272
|
| 3. | 246 + 243 = |
344
|
428
|
489
|
360
|
| 4. | 80 + 57 = |
195
|
137
|
182
|
175
|
| 5. | 104 + 85 = |
189
|
120
|
105
|
168
|
| 6. | 156 + 136 = |
220
|
292
|
302
|
462
|
| 7. | 138 + 130 = |
236
|
268
|
323
|
458
|
| 8. | 229 + 55 = |
284
|
473
|
340
|
373
|
| 9. | 172 + 61 = |
233
|
243
|
223
|
336
|
| 10. | 136 + 119 = |
336
|
241
|
255
|
235
|
| 11. | 200 + 71 = |
360
|
468
|
393
|
271
|
| 12. | 219 + 121 = |
340
|
442
|
258
|
257
|