30 simple arithmetic exercises for computing without paper and pencil
English
Beginner
Some simple arithmetic exercises for calculations without paper and pencil
Beschrijving
Labels
30
Vragen
10 sec
Per vraag
0:55
Gemiddelde tijd
Gediskwalificeerd
Wedstrijdscore
5
Deelnemers
Unfortunately, this test will not be able to receive a prize:
Missing explanations.