Abacus
Abacus on white background
Abacus sitting on a tabletop.
そろばん
5つ玉算盤
Classroom equipment
cash
Abacus and calculator on white background
Colourful abacus for mathematics and learning
白い背景の計算機
Calculator
Adding machine, painted white
電卓
Wooden abacus against black background.
financial and business
帳場
Abacus, X-ray
Abacus against black background.
Abacus and its shadow
雲州そろばん
Technology Age
五つ玉の算盤
計算機
Close up of abacus
Abacus and calculator
Small girl with abacus on white
Provide for the aged
pension
financial
Finance
Abacus copper
教壇に置かれたそろばんと黒板
昔のそろばん
Child using an abacus
Baby boy playing with abacus style plastic toy
School Supplies
Front View of a Calculator
Abacus,China,close-up
Gold ingot
Silver treasure
五つ玉のそろばん
A black calculator and a dollar sign
The abacus and coins
Baby boy looking at abacus
Abbacus - Yonghegong Lama Temple, Beijing, China
Copper abacus
Piggy bank and shopping cart on white
電卓と緑のノートとペン
Calculator on desk
Calculator Numbers
ビジネスデスクイメージ
The old man with the abacus
Marker pen and abacus
balance
Little girl playing with an abacus
白背景のそろばん
デジタル時計
メジャー
定規
Seven ancient COINS Lantern Festival lash said the rod
そろばんと硬貨
算盤
Nantong blue calico Museum,
Abacus on Case
電卓のアップ(オレンジ色)
Moonlight Tavern
珠算
Still life the abacus
Baby playing with abacus
Hand holding abacus on white
Abacus with grey wooden frame and movable black-and-white beads isolated vector illustration on white. Cartoon style calculating tool. Counting Frame Isolated Illustration on White
copper
電卓と万年筆のアップ
Printing calculator
電卓とファイル
電卓と現金
そろばんとシニア男性
China,abacus,Museum
郵便ハカリ
ビジネスアイテム
電卓と鉛筆
ボールペンと電卓
電卓と赤鉛筆
虫眼鏡と電卓