search points attachment profile arrow left arrow right star heart verified symbols equation arrow-down question mark check menu accountancyadministrationagriculturalalgebraallarabicartart_musicbelarusbelarus_altbiologybusinesscatalachemistrychineseeconomicsegzamenglishentrepreneurshipenvironmentethicseuskarafirst_aidfrenchgalegogeographygeologygeometrygermangrammarhealthhistoryindia_langindonesian_langinformaticsitalianjapanesekazachkazach_altkoreanlanguagelatinlawlife_scienceliteraturelogicmathematicsmusicnigerian_langother_languagesotherspedagogicsphilosophyphysical_educationphysicspoliticspsychologyreligionrpa_langrussianrussian_altsciencesecurityskillssocial_sciencesociologyspanishstatisticstechnologytourismtrafficukrainianukrainian_altukrainian_literaturewos_civilisation accountancyadministrationagriculturalalgebraall_1arabicartart_music_2belarusbelarus_altbiologybusiness_2catalachemistry_1chineseeconomicsexam_3englishentrepreneurshipenvironment_2ethicseuskarasecurity_1frenchgalegogeography_4geology_4geometrygermangrammarhealthhistoryindia-langindonesian-langinformaticsitalianjapanesekazachAsset 230koreanlanguagelatinlawlife-scienceliteraturelogic_2mathematicsmusicnigerian-langotherlanguagesother_1pedagogicsphilosophyphysical_educationphysicspoliticspsychologyreligion_1rpa-langrussianrussian_altsciencesecurity_3_mskills_1allsocial_science_5_msociologyspanishstatisticstechnologytourismtrafficukrainianukrainian_altukrainian_literaturewos_civilisation

Ответ

Ответ дан
Пеппер

Ответ:

27/70

Пошаговое объяснение:

3/10 : 7/9 =(3*9)/(10*7) = 27/70

Ответ

Ответ дан
TheCleverOlya

Ответ:

27:70

Пошаговое объяснение:

1способ

(3/10) : (7/9)=...

  • так как НОК(9;10)=3*3*2*5=90,

то ...=(3/10)*90 : (7/9)*90=3*9 : 7*10=27 : 70

2способ

(3/10):(7/9)=...

  • так как (a/b):(c/d)=(a*d):(b*c),

то ...=(3*9):(10*7)=27:70

Ответы и объяснения

Не тот ответ, который тебе нужен?


По всем вопросам пишите на - vashurokk@rambler.ru