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2.427.724
tests have already been made here ?
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2.427.724
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 TAFEL VAN 20 has been made 7 times today.
| TAFEL VAN 20 | ||
|---|---|---|
| name | number correct | time (seconds) |
| 10 | 1403 | |
| 10 | 67 | |
| 10 | 32 | |
| 10 | 3 | |
| 10 | 1 | |
| 10 | 1 | |
| 10 | 1 |