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2.319.061
tests have already been made here ?
Also try how good you are at mental arithmetic!
Arithmetic without time? Go to leren-rekenen.nl
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2.319.061
tests have already been made here ?
Also try how good you are at mental arithmetic!
Arithmetic without time? Go to leren-rekenen.nl
Here you learn arithmetic error-free for FREE
| the ADDITIONS 10-20 in 4 minutes has not been made yet today. |
| the ADDITIONS 10-20 in 3 minutes has not been made yet today. |
| naam | number correct | number done |
| 20 | 20 |
| naam | number correct | number done |
| 8 | 8 |