1) ¬((x >3)→(x >4)) = ¬(¬(x>3)∨(x>4)) = ¬(x≤3 ∨ x>4) = (x>3) ∧ (x≤4)
Истинно для x ∈ (3;4]
Ответ 4) 4
2) ¬((x >56)→(x>198)) ∧(x<369) = ¬((x≤56)∨(x>198))∧(x<369) =<br>(x>56)∧(x<=198)∧(x<369) = </span>(x>56)∧(x<=198)<br>Истинно для x ∈ (56;198]
Ответ 1) 100