DE160122C - - Google Patents
Info
- Publication number
- DE160122C DE160122C DENDAT160122D DE160122DA DE160122C DE 160122 C DE160122 C DE 160122C DE NDAT160122 D DENDAT160122 D DE NDAT160122D DE 160122D A DE160122D A DE 160122DA DE 160122 C DE160122 C DE 160122C
- Authority
- DE
- Germany
- Prior art keywords
- balls
- tens
- digit
- hundreds
- difference
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
- 238000000926 separation method Methods 0.000 claims 1
- 238000007792 addition Methods 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B19/00—Teaching not covered by other main groups of this subclass
- G09B19/02—Counting; Calculating
Landscapes
- Business, Economics & Management (AREA)
- Engineering & Computer Science (AREA)
- Entrepreneurship & Innovation (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Ink Jet Recording Methods And Recording Media Thereof (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE160122C true DE160122C (enrdf_load_stackoverflow) |
Family
ID=426128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT160122D Active DE160122C (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE160122C (enrdf_load_stackoverflow) |
-
0
- DE DENDAT160122D patent/DE160122C/de active Active
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