Вследующих высказываниях выделите простые высказывания; запишите с букв и знаков логических операций каждое составное высказывание. а) r= ' новый год мы встретим на даче или на дворцовой площади.' б) f= 'неверно, что cолнце движется вокруг земли
present simple общие does he go to school every day? does she really like singing? is it cold today? do cats catch mice? has he got a real friend? альтернативные does she go to shool every day or once a month? do cats catch mice or dogs? is the earth round or square? is russia bigger or smaller than other countries? does he like skiing or skating? специальные what does he do at school every day? who likes dancing? when does winter come? where does she live? what does she always wait for? present progressive общие is it raining now? is the sun shining at the moment? is he writing his composition now? are they swimming in the pool at the moment? are you doing your homework? альтернативные are you doing your homework or watching tv now? is it raining or snowing now? are they flying to italy or to canada now? is he reading a book or a web-page? is she clever or not? специальные what is she looking forward for? where are they going to go next summer? when is he leaving for france? whom is she writing an e-mail? what are they doing now?
//прога на Pascal`e type myrec = record rost : byte; ves : byte; end; var mas : array of myrec; n, i : byte; sumves, sumrost : longint; begin write ('Введите кол-во учеников: '); readln (n); setLength (mas, n); for i:=0 to n-1 do begin write ('Введите вес ', i+1, '-го ученика: '); readln (mas[i].ves); inc (sumves, mas[i].ves); write ('Введите рост ', i+1, '-го ученика: '); readln (mas[i].rost); inc (sumrost, mas[i].rost); end;
write ('Средний вес учеников: ', sumves / n, '; Средний рост: ', sumrost / n) end.
¬А - инверсия, логическое не
⊕ - исключающее или
∨ - или (А или В ⇒ А∨В)
и по аналогии делаешь своё