Bir sınıfta abaküs ile matematik öğrenen Afro-Amerikan öğrencinin ön görünümü. Boncukları 4k sayıyor. - Stok Çekim ve Video

Little boy and mother counts on abacus

Front view of Caucasian schoolgirl learning mathematics with abacus in the classroom. She is counting beads 4k

Preschool student learning mathematics with abacus

Boy at school counting with abacus

Little happy boy in vest plays with colorful abacus in white studio

Front view of Caucasian schoolgirl learning mathematics with abacus in the classroom. She is counting beads 4k

Mid section of African American schoolboy using abacus in classroom at school. He is playing with abacus 4k

Front view of Asian schoolboy solving math problem with abacus at desk in a classroom at school. He is counting beads

Front view of Asian schoolboy solving math problem with abacus at desk in a classroom at school. He is counting beads 4k

Side view of Asian schoolboy solving math problem with abacus at desk in a classroom at school. He is counting beads 4k

Front view of African American schoolboy learning mathematics with abacus at desk in a classroom. He is counting beads 4k