Erbijsommen t/m 500
Optellen
| 1. | 155 + 147 = |
298
|
337
|
302
|
421
|
| 2. | 100 + 54 = |
154
|
121
|
195
|
172
|
| 3. | 243 + 175 = |
418
|
275
|
421
|
445
|
| 4. | 227 + 110 = |
340
|
337
|
203
|
279
|
| 5. | 87 + 57 = |
144
|
196
|
133
|
194
|
| 6. | 223 + 139 = |
409
|
253
|
362
|
374
|
| 7. | 215 + 117 = |
245
|
404
|
332
|
308
|
| 8. | 116 + 56 = |
113
|
176
|
172
|
126
|
| 9. | 186 + 105 = |
291
|
449
|
473
|
390
|
| 10. | 216 + 106 = |
239
|
263
|
444
|
322
|
| 11. | 166 + 123 = |
268
|
289
|
455
|
328
|
| 12. | 131 + 94 = |
225
|
377
|
403
|
450
|