Erbijsommen tot 1.000
Erbijsommen
| Oefening 1 | |||||
| 1. | 277 | + | 123 | = |
|
| 2. | 495 | + | 426 | = |
|
| 3. | 279 | + | 209 | = |
|
| 4. | 435 | + | 325 | = |
|
| 5. | 405 | + | 366 | = |
|
| 6. | 111 | + | 107 | = |
|
| 7. | 496 | + | 142 | = |
|
| 8. | 319 | + | 253 | = |
|
| 9. | 351 | + | 167 | = |
|
| 10. | 395 | + | 305 | = |
|
| Oefening 2 | |||||
| 1. | 500 | + | 104 | = |
|
| 2. | 423 | + | 237 | = |
|
| 3. | 265 | + | 161 | = |
|
| 4. | 323 | + | 283 | = |
|
| 5. | 107 | + | 106 | = |
|
| 6. | 356 | + | 181 | = |
|
| 7. | 313 | + | 226 | = |
|
| 8. | 336 | + | 159 | = |
|
| 9. | 412 | + | 132 | = |
|
| 10. | 491 | + | 340 | = |
|
| Oefening 3 | |||||
| 1. | 221 | + | 212 | = |
|
| 2. | 492 | + | 368 | = |
|
| 3. | 365 | + | 117 | = |
|
| 4. | 421 | + | 254 | = |
|
| 5. | 270 | + | 188 | = |
|
| 6. | 308 | + | 171 | = |
|
| 7. | 406 | + | 162 | = |
|
| 8. | 307 | + | 158 | = |
|
| 9. | 412 | + | 379 | = |
|
| 10. | 495 | + | 129 | = |
|
| Oefening 4 | |||||
| 1. | 282 | + | 246 | = |
|
| 2. | 251 | + | 164 | = |
|
| 3. | 272 | + | 247 | = |
|
| 4. | 469 | + | 321 | = |
|
| 5. | 266 | + | 193 | = |
|
| 6. | 432 | + | 142 | = |
|
| 7. | 274 | + | 105 | = |
|
| 8. | 157 | + | 110 | = |
|
| 9. | 225 | + | 222 | = |
|
| 10. | 227 | + | 136 | = |
|