Erbijsommen tot 1.000
Erbijsommen
| Oefening 1 | |||||
| 1. | 404 | + | 394 | = |
|
| 2. | 385 | + | 110 | = |
|
| 3. | 374 | + | 112 | = |
|
| 4. | 259 | + | 245 | = |
|
| 5. | 368 | + | 246 | = |
|
| 6. | 293 | + | 230 | = |
|
| 7. | 438 | + | 301 | = |
|
| 8. | 490 | + | 234 | = |
|
| 9. | 308 | + | 155 | = |
|
| 10. | 404 | + | 359 | = |
|
| Oefening 2 | |||||
| 1. | 421 | + | 401 | = |
|
| 2. | 308 | + | 269 | = |
|
| 3. | 287 | + | 143 | = |
|
| 4. | 152 | + | 142 | = |
|
| 5. | 372 | + | 334 | = |
|
| 6. | 271 | + | 163 | = |
|
| 7. | 400 | + | 108 | = |
|
| 8. | 423 | + | 345 | = |
|
| 9. | 324 | + | 188 | = |
|
| 10. | 365 | + | 147 | = |
|
| Oefening 3 | |||||
| 1. | 224 | + | 106 | = |
|
| 2. | 282 | + | 154 | = |
|
| 3. | 398 | + | 333 | = |
|
| 4. | 404 | + | 172 | = |
|
| 5. | 263 | + | 158 | = |
|
| 6. | 211 | + | 181 | = |
|
| 7. | 316 | + | 197 | = |
|
| 8. | 486 | + | 399 | = |
|
| 9. | 312 | + | 101 | = |
|
| 10. | 493 | + | 151 | = |
|
| Oefening 4 | |||||
| 1. | 402 | + | 219 | = |
|
| 2. | 306 | + | 299 | = |
|
| 3. | 319 | + | 105 | = |
|
| 4. | 480 | + | 196 | = |
|
| 5. | 306 | + | 175 | = |
|
| 6. | 419 | + | 214 | = |
|
| 7. | 238 | + | 117 | = |
|
| 8. | 312 | + | 309 | = |
|
| 9. | 224 | + | 220 | = |
|
| 10. | 426 | + | 148 | = |
|