59 무료 이미지 "주판"에 대해

셈 수학 교육 덧셈 학교 학습 계산법 장난감 색 계산기

Free stock photo of abacus, antique, counting

Classroom

Wooden abacus

Multicolored Abacus Photography

Wooden Iranian abacus - made in Nishapur 1

Abbasid Caravanseray of Nishapur (Ribati-i-Abbasi of Nishapur) - Morning 118

Wooden Iranian abacus - made in Nishapur 5

Subtraction sum arithmetic

Wooden balls mathematics count

Houghton Typ 520.03.736 - Margarita philosophica

Colors toys count

Computational aids calculating machine science

Symbol metaphor abacus

컴퓨터 상징

Colors toys count

Abacus retro vintage

포도 수확 레트로

Computational aids calculating machine science

Girl Using an Abacus

Game fun plaza

Toys blue count

장난감 파랑

Game fun plaza

Game fun plaza

Education colorful abacus learn to count

학교로 돌아가다 학교

Calculator napier's rods napier's bones

컴퓨터 갈색

Count counter kids

어린이 수학

$Math companies kids$

어린이 수학

Learning kindergarten calculator

장난감 학습

Toy summation counting

장난감 아이

Learning kid mathematics

어린이 게임

Count mathematics rechsteiner

Numeral summation education

장난감 학교

School teach education

A Bicycle for Our Minds - Abacus in the Brain

Computational aids wooden balls learn

Temple marquee sculpture

조각품 여행

Hands alphabet school

Pay alphabet school

$Wood math finance$

Abacus from Map Modeling in Geography, Including the Use of Sand, Clay, Putty, Paper Pulp, Plaster of Paris... Also Chalk Modeling in its Adaptation to Purposes of Illustration. Fully Illustrated published by E.L Kellogg & Co. (1895).

계산기 연필

People human babies

Vintage European style abacus engraving from New York's Chinatown. A historical presentation of its people and places by Louis J. Beck (1898).

Pen pay book stack

$Frame math tool$

Education tool retro

Adam riesen

컴퓨터 사물

컴퓨터 사물

Accountants by Lai Afong c1880s (cropped)

Abacus calculating tool

Soda Hall abacus with laptop and smartphone - closeup

노트북 컴퓨터 목재

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