| Oefening 1 | |||||
| 1. | 10 ? 10 = 100 |
×
|
-
|
+
|
|
| 2. | 18 ? 18 = 324 |
-
|
+
|
×
|
|
| 3. | 20 ? 19 = 380 |
-
|
×
|
+
|
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| 4. | 799 ? 88 = 887 |
+
|
-
|
×
|
|
| 5. | 996 ? 379 = 1.375 |
×
|
+
|
-
|
|
| 6. | 772 ? 521 = 1.293 |
+
|
×
|
-
|
|
| 7. | 773 ? 546 = 1.319 |
+
|
×
|
-
|
|
| 8. | 982 ? 544 = 1.526 |
×
|
+
|
-
|
|
| 9. | 801 ? 335 = 1.136 |
+
|
-
|
×
|
|
| 10. | 14 ? 10 = 140 |
-
|
×
|
+
|
|
| 11. | 818 ? 708 = 1.526 |
+
|
×
|
-
|
|
| 12. | 19 ? 10 = 190 |
×
|
+
|
-
|
|
| Oefening 1 | |||||
| 1. | 10 ? 10 = 100 |
×
|
-
|
+
|
|
| 2. | 18 ? 18 = 324 |
-
|
+
|
×
|
|
| 3. | 20 ? 19 = 380 |
-
|
×
|
+
|
|
| 4. | 799 ? 88 = 887 |
+
|
-
|
×
|
|
| 5. | 996 ? 379 = 1.375 |
×
|
+
|
-
|
|
| 6. | 772 ? 521 = 1.293 |
+
|
×
|
-
|
|
| 7. | 773 ? 546 = 1.319 |
+
|
×
|
-
|
|
| 8. | 982 ? 544 = 1.526 |
×
|
+
|
-
|
|
| 9. | 801 ? 335 = 1.136 |
+
|
-
|
×
|
|
| 10. | 14 ? 10 = 140 |
-
|
×
|
+
|
|
| 11. | 818 ? 708 = 1.526 |
+
|
×
|
-
|
|
| 12. | 19 ? 10 = 190 |
×
|
+
|
-
|
|