30 simple arithmetic exercises for computing without paper and pencil
English
Pemula
Some simple arithmetic exercises for calculations without paper and pencil
Keterangan
Kata kunci
30
Pertanyaan
10 dtk
Per pertanyaan
0:55
Waktu rata-rata
Diskualifikasi
Skor Kontes
5
Partisipan
Unfortunately, this test will not be able to receive a prize:
Missing explanations.