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juliakachkina
@juliakachkina
August 2022
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Проверьте, верно ли равенство:
1) -8,5*(1,4x+8)-1,7*(-10-7x)=102
2) 8/9*(-2,7b+2,5)-2/3*(-1/3-1,2b)=-2
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jekadva
1)
-8,5*(1,4x+8)-1,7*(-10-7x)=102
-11,9x-68+17+11,9x=102
-51не равно 102
равенство не верно
==============
27 votes
Thanks 63
juliakachkina
Спасибо! Вот ещё я задала вопрос http://znanija.com/task/9728809
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Answers & Comments
-8,5*(1,4x+8)-1,7*(-10-7x)=102
-11,9x-68+17+11,9x=102
-51не равно 102
равенство не верно
==============