Question

1) A & B v C & (BvC) 2) C черта наверху v B черта наверху 3) A&C черта наверху v B две черты наверху

Answer 1

$1)\,ab+c(b+c)=ab+bc+c=ab+(bc+c)=ab+c(b+1)=ab+c\\\\ 2)\,\overline c+\overline b \quad ??? \\\\3)\,a\overline c+\overline{\overline b}=a\overline c+b$

Answer 2

It seems like you've provided some logical expressions using symbols like "&", "v", and "черта наверху" ("¬" for negation) to represent logical operations. These symbols are often used in logic or mathematical notation to express various logical statements. However, the expressions themselves are not complete without proper punctuation and logical operators.

Please clarify the logical operations and the intended meaning of the expressions so that I can help you understand their logic or simplify them if needed. Additionally, if you could provide the specific logical operators used in each expression, it would be easier to interpret them accurately.