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2.122.593
tests have already been made here ?
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2.122.593
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
Prijzen of levels
Pak je prijs!
If you have winthin a yearAt least 100 correct anwers: bronze
At least 350 correct anwers: silver
At least 850 correct anwers: gold
At least 1500 correct anwers: diamond
At least 2500 correct anwers: cool
At least 3500 correct anwers: master
At least 5000 correct anwers: baas
At least 6500 correct anwers: eindbaas