30 simple arithmetic exercises for computing without paper and pencil
English
Elementar
Some simple arithmetic exercises for calculations without paper and pencil
Descrição
Tags
30
Perguntas
10 seg
Por pergunta
0:55
Tempo médio
Desqualificado
Pontos no Concurso
5
Participantes
Unfortunately, this test will not be able to receive a prize:
Missing explanations.