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	<title>Clasa a V-a lecția 4 S2 - Revision history</title>
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	<updated>2026-04-13T07:50:22Z</updated>
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		<title>Bella: /* TEORIE */</title>
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		<updated>2017-09-25T21:21:06Z</updated>

		<summary type="html">&lt;p&gt;&lt;span class=&quot;autocomment&quot;&gt;TEORIE&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;= Semintervale/Intervale =&lt;br /&gt;
&lt;br /&gt;
== TEORIE ==&lt;br /&gt;
..........IN CAIETE&lt;br /&gt;
&lt;br /&gt;
Am facut doar o ora din doua, din cauza furtunii. Toamna nu e ca vara :)&lt;br /&gt;
&lt;br /&gt;
== APLICATII ==&lt;br /&gt;
1. Sa consideram a,b si c trei variabile intregi,avand valorile 5,7 si respectiv 8. Evaluati expresia a&amp;lt;=b si b&amp;lt;c sau c mod 2=1.&lt;br /&gt;
&lt;br /&gt;
 &amp;#039;&amp;#039;&amp;#039;R: true&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
2. Fie a o variabila inteaga cu valoarea 5 si b o variabila intreaga cu valoarea 10. Ce valoare are expresia a%2=0 si b%2=0 sau a%2=1 si b%2=1? Ce semnificatie are aceasta expresie?&lt;br /&gt;
&lt;br /&gt;
 &amp;#039;&amp;#039;&amp;#039;R: expresia are valoarea “fals”. Conditia verifica daca a si b au simultan aceeasi paritate (ori amandoua sunt pare ori amandoua sunt impare)&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
3. Scrieti o expresie care are valoarea adevarat daca si numai daca valoarea memorata in variabila reala x este in intervalul [a,b) (a si b variabile reale).&lt;br /&gt;
&lt;br /&gt;
 &amp;#039;&amp;#039;&amp;#039;R: x&amp;gt;=a AND x&amp;lt;b&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
4. Scrieti o expresie care are valoarea adevarat daca si numai daca valoarea memorata in variabila reala x este in intervalul [a,b] reunit cu [C,D].&lt;br /&gt;
&lt;br /&gt;
 &amp;#039;&amp;#039;&amp;#039;R: ( x&amp;gt;=a AND x&amp;lt;=b ) sau ( x&amp;gt;=C AND x&amp;lt;=D )&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
5. Scrieti o expresie care are valoarea adevarat daca si numai daca valoarea memorata in variabila reala x este in intervalul [a,b] intersectat cu [C,D].&lt;br /&gt;
&lt;br /&gt;
 &amp;#039;&amp;#039;&amp;#039;R: ( x&amp;gt;=a AND x&amp;lt;=b ) si ( x&amp;gt;=C AND x&amp;lt;=D )&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
6. Scrieti o expresie care are valoarea adevarat daca si numai daca numarul memorat in variabila x este par si are 2 cifre.&lt;br /&gt;
&lt;br /&gt;
 &amp;#039;&amp;#039;&amp;#039;R: x % 2 = 0 AND ( x &amp;gt;9 AND x&amp;lt;100 )&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
&lt;br /&gt;
= Tema 2: =&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
1. Se citesc 4 numere naturale a,b,c,d care indeplinesc conditiile: a&amp;lt;b, c&amp;lt;d. Sa se scrie un algoritm prin care se decide daca intervalele [a,b] si [c,d] au sau nu intersectie nevida ( intersectie nevida inseamna ca cele 2 intervale au elemente comune, se intersecteaza ). Ex; [3,7] si [4, 9] au elemente comune: 4,5,6,7&lt;br /&gt;
&lt;br /&gt;
2. Scrieti o expresie logica care sa aiba valoarea adevarat daca si numai daca valorile variabilelor a,b,c sunt in ordine crescatoare.&lt;br /&gt;
&lt;br /&gt;
3. Scrieti o expresie logica care sa aiba valoarea adevarat daca si numai daca valorile variabilelor a,b sunt consecutive.&lt;br /&gt;
&lt;br /&gt;
4. Scrieti o expresie logica care sa aiba valoarea adevarat daca si numai daca valorile variabilelor a,b,c sunt egale.&lt;/div&gt;</summary>
		<author><name>Bella</name></author>
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