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2.240.379
tests have already been made here ?
Also try how good you are at mental arithmetic!
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2.240.379
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 SUBTRACTIONS 10-20 in 4 minutes has not been made yet this month. |
| the SUBTRACTIONS 10-20 in 3 minutes has not been made yet this month. |
| naam | number correct | number done | |
| 26 | 28 | 1 May | |
| 24 | 24 | 1 May |
| the SUBTRACTIONS 10-20 in 1 minute has not been made yet this month. |