Geometrische aufgabensammlung. Ausgabe A: für gymnasien ... von Dr. W. Lietzmann.

~ie6entet tapitel. ~ 22. ^~tr tb jav4irnfa.a ireannteio uint Proportion.1) 1. iFb 3Salen an, bie im n ertattnie a) 1: 2, b) 2: 3, c) 5100, d) 12:36, e) m: n fteen. 2. S3eIe 23eränberungen fann man mit ben 3aften n unb n tornebmien, ovne baf3 bac Ser)attnin m: n ic aänbert. 3. e f[ei a: b-=c d. 3elIce anberen Proportionen folgen baraun lebig; lict burt Umftelfng ber etlieber? 4. 3itbe bie torbnutengleictnng ber proportion a: b =- c: d. 5. Sifbe ace möglichen ßroportionen aui ber 3robuftengfeic)ung x y ==m n. 6. ßerlege bie fortlaufenbe tßroportion a: b: c: d =u: v: x:y in einfac e $roportionen. 7. Set)e proportionen Iafjen jit 'biben aun ber fortlaufenben $3roportion: a:u =:v-= c: x = d: y. 8. Denn a: b = c: d ift, fo tfat jic ein roportionatditatfaftor t Io beftimmen, baü a = t c b= —t.d b t d ift. 3eftimme itn für fotgenbe 3ßroportionen: a) 3: 4=12:16; b) 2:7= 14:49; c) 10:15 = 2: 3; d) a: b c:d. 9. 3eftimme ben Troportionaitäatfattor fir r ie fortfaurenben 3roptortionen: a) 1. 2:3=3:6:.9; b) 2:.34=4:6:8. 10. 3eige, ba auQ beer 3roportion a: -b== c: d burcd) orrefponbierenbe 2fbbition ober nubttraftion bie proportion (a + b): b = (c + d): d folgt. 9lenne anbere antlidce gotgernngen aun ber gegebenen troportion. 1) 3ur 1Bieberotlung arit4metitier 23egriffe. - 3gtI. 8. SB. tatbet2tiebmann, 2Iufgabenlammtung. 1. Zeit, ~ 5.

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Title
Geometrische aufgabensammlung. Ausgabe A: für gymnasien ... von Dr. W. Lietzmann.
Author
Lietzmann, Walther, 1880-1959.
Canvas
Page 129
Publication
Leipzig [etc.]: B. G. Teubner,
1916-20.
Subject terms
Geometry -- Problems, exercises, etc.

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"Geometrische aufgabensammlung. Ausgabe A: für gymnasien ... von Dr. W. Lietzmann." In the digital collection University of Michigan Historical Math Collection. https://name.umdl.umich.edu/acv4752.0001.001. University of Michigan Library Digital Collections. Accessed May 2, 2025.
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