Resolvemos Problemas de Multiplicación Usando La Propiedad Distributiva

November 13, 2022 | Author: Anonymous | Category: N/A
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ZHZLÚF EH GR GRYHFELPG@H YHFELPG@H 97 L.

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‛Yhsokvhmos proikhmgs eh muktlpkljgjlúf usgfeo kg proplhege elstrliutlvg.” EGUOZ LFDOYMGULTOZ0 Çrhg 0 MGUHMÇULJG Crgeo Crg eo y Zhj Zhjjlú jlúf f 0 :² ‛E” Dhjng 0 29 eh `uklo Eojhfth 0 Korhfg Mgkeofgeo Dkorhs RYORÚZLUO E EH H GR GRYHFELPG@H0

JOMRHUHFJLG JGRGJLEGEHZ

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7. 7.7Yhsuhkvh . Urgeproikhmgs ujh jgfeh tlejgftlege gehs g hxprhslofhs fumìrljgs 7.9. Jomufljg su jomprhfslúf soirh kos fðmhros y kgs ophrgjlofhs 7.:. Xsg hstrgthclgs y projhelmlhftos eh hstlmgjlúf y jçkjuko 7.5. Grcumhftg Grcumhftg gdlrmgjlof gdlrmgjlofhs hs soirh kg kgss rh rhkg kgjl jlof ofhhs fu fumì mìrl rljjgs y kgs kgs ophrgjlofhs Chstlofg su gprhfelzg`h eh mgfhrg gutúfomg  Ehdlfh mhtgs eh gprhfelzg`h

LLL LLL.

L T. MOM.

¿Wuì fos egrç hvlehfjlgs eh gprhfelzg`h?

Yhgklzg elstrliutlvg gdlrmgjlofhsy soirh hk uso jof eh kgh`hmpro plhege kgs hxpkljg  pkos jofjrhtos. Gslmlsmo, hxpkljg por quì kg sustrgjjlúf hs kg ophrgjlúf lfvhrsg eh kg geljlúf, por quì ehih muktlpkljgr o elvlelr hf uf proikhmg, gsí jomo jomo kg rhk rhkgjl gjlúf úf lfvhrs lfvhrsgg hftrh hftrh gmigs gmigs ophrgjlofhs1 hxpkljg tgmilìf su projhso eh rhsokujlúf y kos rhsuktgeos oithfleos.

lstg Hmpk Hm pkhg hgkljgjlúf kg úfpr prop oplh lheg ege e ehg K joth`o muktlp muktlpkljgjl elstr elstrliutlv liutlvg  pgrg muktlpkljgr fðmhros fgtu fgturg rgkhs khs jof jof rh rhsu suktg ktgeo eoss ngstg eh trhs jldrgs.

Ehthrmlfg quì fhjhsltg gprhfehr h lehftldljg kgs kgs prh prhdhrh dhrhfj fjlg lgss, po poth thfj fjlg lgkl kleg egeh ehss y klml klmltg tgjl jlof ofhs hs prop proplg lgss qu quhh kh phrm phrmlt ltlrç lrçff gkjgfzgr o fo kg tgrhg

TGKOYHZ

Jofjlhfjlg eh ehrhjnos

GJULUXE O GJJLOFHZ OIZHYTGIKHZ

Kos eo eojjhfths chf chfhrgf hspgjlos eh rhd rhdkhxlúf y jrí jrítljg soi soirh hk h`h h`hrjljlo eh kos kos ehrhjnos ehrhjn os lfelvl lfelvleug eugkhs khs y jokhjt jokhjtlvo lvos, s, hsphjl hsphjlgkm gkmhft hfthh hf crupos crupos y poikgj poikgjlof lofhs hs vukfhrgikhs.

ZHJXHFJLG EH EH K KG GZ ZH HZLÚF

HZUYGUHCLGZ ELEÇJULJGZ

MHELOZ MHEL OZ \ ULHM MGUHYLGK R HZ

 Rgrtljlpgf hf kg elfçmljg kgs kgfjngs sgkvgvlegs pgrg dormgr crupos0 (Zoko sh dormgrçf

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eh

HFDO HFDOWX WXHZ HZ UY UYG GFZ FZTH THYZ YZGK GKH HZ0

HFDOWXH UYGFZTHYZGK

Eh Ehrhjnos

LFZUYXM . HTGK.

EHZHMRH×OZ RYHJLZGEOZ

crupos eh 4 ,8 y 5, quh hs hk fðmhro eh pgrtljlpgfths quh thferçf rhquhrleos pgrg dormgr  Yhjurso kos crupos eh trgig`o) vhrigk KGZ KGFJNGZ ZGKTGTLEGZ Rroikhmg Hk prodhsor(g) rhkgtgrç ko slculhfth0 ‛Hstgmos fgvhcgfeo hf uf hformh iuquh, phro vlfo ufg tormhftg quh hstç nufelhfeo hk igrjo. Rgrg sgkvgrsh ngy quh suilrsh hf kgfjngs sgkvgvlegs, phro hf jgeg kgfjng soko puhehf hftrgr (sh eljh uf fðmhro) phrsofgs” Kos hstuelgfths hftofjhs tlhfhf quh hmphzgr g dormgr jírjukos hf kos quh hstì hk fðmhro hxgjto eh phrsofgs quh puhehf hftrgr hf jgeg kgfjng. Zl tlhfh mçs o mhfos, sh ehjkgrg nufeleg kg kgfjng y kos pgrtljlpgfths sh tlhfhf quh shftgr y rhtlrgr ehk `uhco. Lfmhelgtgmhfth, sh jgmilg hk fðmhro eh phrsofgs quh puhehf hftrgr hf jgeg kgfjng, sh vgf hklmlfgfeo g kos gnocgeos y gsí sh proslcuh ngstg quh quheh uf phquh÷o crupo quh shrçf kos soirhvlvlhfths ehk fgudrgclo.  Orcgflzgeos hf crupos eh 5 lfthcrgfths sh hftrhcg g jgeg crupo ufg dljng eh plrçmlehs eh sumgs. Zh lfeljg quh hk crupo quh rhsuhkvg prlmhro cgfgrç hk jofjurso.

- Yhspofehf g kgs prhcuftgs0 ¿Wuì rhkgjlúf ngy hftrh kos fðmhros eh kg iigsh gsh y hk fðmhro eh grrlig? ¿Júmo ngkkgrof kg rhspuhstg?  Rrhshftgmos hk propúslto eh kg shslúf0 Noy usgrgf kg proplhege elstrliutlvg pgrg rhsokvhr   proikhmgs eh muktlpkljgjlúf jof rgplehz. rgplehz.  Kos hstuelgfths jomhftgf y hklchf kgs formgs quh jumpklrçf hf hsth eíg

92µ

 

- Zh hftrhcg hftrhcg g jjgeg geg hs hstuelgf tuelgfth th hk pproikh roikhmg0 mg0

Zusgfg tlhfh uf puhsto eh dkorhs, hk kufhs kh kkhcú uf pheleo eh dkorhs lmportgegs hf jg`gs. Hf jgeg jg`g vhfígf 3 dlkgs y hf jgeg dlkg 75 dkorhs, Zl rhjlilú : jg`gs ¿Juçftgs dkorhs rhjlilú hf totgk?

Dgmlklgrlzgjlúf ehk proikhmg0 - Khhf hk proikhmg, proikhmg, rhspof rhspofehf ehf kgs prhcuf prhcuftgs0 tgs0 ¿poeh ¿poehmos mos rhsok rhsokvhr vhr hk proikhm proikhmgg hf eos pgso pgsos? s? ¿quì poehmos jgkjukgr prlmhro? ¿fos gyuegrç usgr gkcðf mgthrlgk pgrg jomprhfehr mh`or  júmo sh orehfgf kos sokegeos eh ufg jompg÷íg? - Gjuhreo jof kos fl÷os y fl÷gs usgr hk mgthrlgk Igsh El Elhz hz pgrg rhgklzgr hs hstg tg rhprhshftgjlúf.

Iðsquheg eh hstrgthclgs - Zh pkgfthg gkcufgs gkcufgs lfthrro lfthrrocgfth cgfths0 s0 ¿eh quì mgfhrg jrhhf quh poerígm poerígmos os rhsokvh rhsokvhrko?, rko?, ¿jof quì mgthrlgk jrhhf quh ko poerígmos rhprhshftgr?, ¿jrhhf quh hk mgthrlgk igsh elhz fos  puheh gyuegr?

Yhprhshftgjlúf0 - Yhprhshftg Yhprhshftgff jof hk mgthrlgk Igs Igshh Elhz kgs dkorhs quh rhj rhjlilú lilú Zusg Zusgfg. fg. Kuhco ple pleoo quh ko hxprhshf mhelgfth ufg muktlpkljgjlúf. Zh orlhftg ¿juçftgs dlkgs ngy?1 ¿juçftgs jokumfgs? JGKJXKHMOZ JXGFUGZ DKOYHZ NG\ HF XFG JG@G

- Yhjuhr Yhjuhreg eg hk `uh `uhco co eh kg plrçm plrçmleh leh eh sumgs y sh lfel lfeljg jg quh ehsjo ehsjompo mpofcg fcgff ufo eh kos dgjtorhs jomo eos sumgfeos.

3 x 75 =

3 x (72 + 5)

Xfg jg`g tlhf lhfh dkorhs

3 x 72 + 32 +

3x5 9>

JGKJXKGMOZ ¿JXÇFUGZ DKOYHZ NG\ HF 8 JG@GZ?

• Zh pleh quh gfothf kos egtos quh jofojhf y ehsjofojhf y rhprhshfthf mhelgfth ufg muktlpkljgjlúf kg sokujlúf gk proikhmg. Xfg jg`g tlhfh0 dkorhs Jgftlege eh jg`gs0 8 8 x  Fos pleh0 Uotgk eh dkorhs Gnorg lfeljg quh rhsuhkvgf hk proikhmg ehsjompoflhfeo hk dgjtor hf sumgfeos. Hf 8 jg`gs ngy 5
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