Erbijsommen tot 1.000
Erbijsommen
| Oefening 1 | |||||
| 1. | 241 | + | 123 | = |
|
| 2. | 432 | + | 412 | = |
|
| 3. | 346 | + | 309 | = |
|
| 4. | 453 | + | 258 | = |
|
| 5. | 258 | + | 111 | = |
|
| 6. | 413 | + | 373 | = |
|
| 7. | 311 | + | 109 | = |
|
| 8. | 160 | + | 150 | = |
|
| 9. | 302 | + | 245 | = |
|
| 10. | 324 | + | 225 | = |
|
| Oefening 2 | |||||
| 1. | 306 | + | 131 | = |
|
| 2. | 293 | + | 102 | = |
|
| 3. | 225 | + | 204 | = |
|
| 4. | 128 | + | 100 | = |
|
| 5. | 381 | + | 292 | = |
|
| 6. | 229 | + | 142 | = |
|
| 7. | 429 | + | 226 | = |
|
| 8. | 451 | + | 178 | = |
|
| 9. | 399 | + | 307 | = |
|
| 10. | 308 | + | 230 | = |
|
| Oefening 3 | |||||
| 1. | 309 | + | 143 | = |
|
| 2. | 452 | + | 359 | = |
|
| 3. | 491 | + | 162 | = |
|
| 4. | 476 | + | 280 | = |
|
| 5. | 486 | + | 377 | = |
|
| 6. | 352 | + | 320 | = |
|
| 7. | 435 | + | 206 | = |
|
| 8. | 380 | + | 211 | = |
|
| 9. | 287 | + | 178 | = |
|
| 10. | 467 | + | 251 | = |
|
| Oefening 4 | |||||
| 1. | 309 | + | 201 | = |
|
| 2. | 352 | + | 161 | = |
|
| 3. | 256 | + | 228 | = |
|
| 4. | 493 | + | 181 | = |
|
| 5. | 446 | + | 172 | = |
|
| 6. | 281 | + | 208 | = |
|
| 7. | 452 | + | 108 | = |
|
| 8. | 421 | + | 407 | = |
|
| 9. | 378 | + | 123 | = |
|
| 10. | 493 | + | 175 | = |
|