pattern of retro scientific calculators with screen, on the left side, on yellow background. mathematics, finance, investment, business, management, programming and education concept. - 乘數表 個照片及圖片檔
a young woman in shadow looks at the investment schedule. a woman with glasses decides where to invest money, touches the screen, the concept of saving and multiplying money. with copy space. - 乘數表 個照片及圖片檔商務, 投資, 儲蓄
Deseg series/ Minneapolis public/ Anderson Open/ JanBert Jacobseís 3rd grade class. -- JanBertís discipline for Andreís disruption during a game...
Twice Six are Twelve,/Leave dunces to themselves,/Naughty chaps, to paint their caps./Twice six are ?'. From The Merry Multiplication Table by Irving...惡意
Twice Ten are Twenty,/We shall all have plenty,/Each a slice, how very nice/Twice ten are ?'. From The Merry Multiplication Table by Irving Montague...
Forms of astrolabe in use for surveying. Vignette from a multiplication table published in 1650. Engraving