Erbijsommen tot 1.000
Erbijsommen
| Oefening 1 | |||||
| 1. | 452 | + | 317 | = |
|
| 2. | 274 | + | 112 | = |
|
| 3. | 255 | + | 131 | = |
|
| 4. | 225 | + | 175 | = |
|
| 5. | 375 | + | 209 | = |
|
| 6. | 244 | + | 210 | = |
|
| 7. | 202 | + | 133 | = |
|
| 8. | 444 | + | 104 | = |
|
| 9. | 243 | + | 191 | = |
|
| 10. | 216 | + | 138 | = |
|
| Oefening 2 | |||||
| 1. | 156 | + | 101 | = |
|
| 2. | 373 | + | 332 | = |
|
| 3. | 319 | + | 199 | = |
|
| 4. | 427 | + | 289 | = |
|
| 5. | 270 | + | 144 | = |
|
| 6. | 489 | + | 310 | = |
|
| 7. | 450 | + | 202 | = |
|
| 8. | 314 | + | 238 | = |
|
| 9. | 288 | + | 215 | = |
|
| 10. | 177 | + | 156 | = |
|
| Oefening 3 | |||||
| 1. | 290 | + | 101 | = |
|
| 2. | 445 | + | 208 | = |
|
| 3. | 409 | + | 297 | = |
|
| 4. | 301 | + | 144 | = |
|
| 5. | 362 | + | 355 | = |
|
| 6. | 382 | + | 326 | = |
|
| 7. | 434 | + | 144 | = |
|
| 8. | 325 | + | 153 | = |
|
| 9. | 327 | + | 179 | = |
|
| 10. | 410 | + | 135 | = |
|
| Oefening 4 | |||||
| 1. | 302 | + | 288 | = |
|
| 2. | 321 | + | 226 | = |
|
| 3. | 469 | + | 343 | = |
|
| 4. | 181 | + | 138 | = |
|
| 5. | 345 | + | 303 | = |
|
| 6. | 429 | + | 364 | = |
|
| 7. | 310 | + | 276 | = |
|
| 8. | 380 | + | 368 | = |
|
| 9. | 359 | + | 192 | = |
|
| 10. | 146 | + | 100 | = |
|