Предмет: Математика, автор: SashaAleksandra1

#6 а) -1/6+(-2/3)= б) 5/12-11/12='Помогите умоляю очень надо
#7 а) -5/6*(-2/5)= б) 14/15:(-2/5)=
Если можно то расписать как решать по порядку

Ответы

Автор ответа: Варан

№6
а)= -1\6 + ( -4\6)= - 5\6
б)= 5\12+( - 11\12) = - 6\12= - 1\2

№7
а) -5\6 * (-2\5)= 2\6=1\3
б) =14\15 * ( - 5\2)= - 7\3= - 2 1\3

SashaAleksandra1: спасибо , а почему в первом там 4/6?

Варан: приводим к общему знаменателю 2\3=4\6

SashaAleksandra1: спасибо огромное

SashaAleksandra1: а можно пожалуйста решить ещё -3,5*6+15 ( расписать)

Варан: =-21+15= - 6

SashaAleksandra1: спасибооо

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#6 а) -1/6+(-2/3)= б) 5/12-11/12='Помогите умоляю очень надо #7 а) -5/6*(-2/5)= б) 14/15:(-2/5)= Если можно то расписать как решать по порядку

Ответы

#6 а) -1/6+(-2/3)= б) 5/12-11/12='Помогите умоляю очень надо
#7 а) -5/6*(-2/5)= б) 14/15:(-2/5)=
Если можно то расписать как решать по порядку