CH31178A - Hülfsmittel zur Erlernung des Bruchrechnens - Google Patents

Hülfsmittel zur Erlernung des Bruchrechnens

Info

Publication number
CH31178A
CH31178A CH31178A CH31178DA CH31178A CH 31178 A CH31178 A CH 31178A CH 31178 A CH31178 A CH 31178A CH 31178D A CH31178D A CH 31178DA CH 31178 A CH31178 A CH 31178A
Authority
CH
Switzerland
Prior art keywords
fractions
learning
tools
learning fractions
Prior art date
Application number
CH31178A
Other languages
English (en)
Inventor
Gustav Knappe
Original Assignee
Gustav Knappe
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gustav Knappe filed Critical Gustav Knappe
Publication of CH31178A publication Critical patent/CH31178A/de

Links

CH31178A 1904-04-20 1904-04-20 Hülfsmittel zur Erlernung des Bruchrechnens CH31178A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH31178T 1904-04-20

Publications (1)

Publication Number Publication Date
CH31178A true CH31178A (de) 1905-03-15

Family

ID=4248974

Family Applications (1)

Application Number Title Priority Date Filing Date
CH31178A CH31178A (de) 1904-04-20 1904-04-20 Hülfsmittel zur Erlernung des Bruchrechnens

Country Status (1)

Country Link
CH (1) CH31178A (de)

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