Упрости выражение.    −(18x+7,5y)+(3,8x+20y) = ...x + ...y


Стандартным видом многочлена 1−3,4op−2o+6o⋅4p  является...
варианты ответов:
3,4op+4o+0,4p+1

3,4op−2o+0,4p

20,6op−2o

20,6op−2o+1




 



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