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	<title>Criteriul National &#187; matematica evaluare nationala</title>
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		<title>Rezolvare subiect I,II si III matematica evaluare nationala 24.06.2026</title>
		<link>http://criteriul.ro/rezolvare_subiect_matematica_evaluare_nationala_2026/</link>
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		<pubDate>Wed, 24 Jun 2026 13:15:10 +0000</pubDate>
		<dc:creator><![CDATA[Nikolas]]></dc:creator>
				<category><![CDATA[Educatie]]></category>
		<category><![CDATA[evaluare nationala]]></category>
		<category><![CDATA[evaluare nationala 2026]]></category>
		<category><![CDATA[matematica evaluare nationala]]></category>
		<category><![CDATA[meditatii matematica]]></category>

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		<description><![CDATA[SUBIECTUL I. 12- 2×5 = 12-10 = 2 raspuns c) 40/100 x 250 = 100 raspuns c) Opusul lui 10 este -10 =&#62; suma = 10 – 10 = 0 raspuns d) 1,(2)]]></description>
				<content:encoded><![CDATA[<p>SUBIECTUL I.</p>
<ol class="wp-block-list">
<li>12- 2×5 = 12-10 = 2 raspuns <strong>c)</strong></li>
<li>40/100 x 250 = 100 raspuns <strong>c)</strong></li>
<li>Opusul lui 10 este -10 =&gt; suma = 10 – 10 = 0 raspuns <strong>d)</strong></li>
<li>1,(2) = (12-1)/9 = 11/9 raspuns <strong>c)</strong></li>
<li>2x = (√ 5 – 1)(√ 5 + 1) =&gt; 2x = 5 – 1 =&gt; 2x = 4 =&gt; x=2 raspuns<strong> b)</strong></li>
<li>Cele mai putine masini au fost vandute in martie – Adevarat raspuns <strong>a)</strong></li>
</ol>
<p>SUBIECTUL II.</p>
<ol class="wp-block-list">
<li>AD = 6 cm =&gt; AC = CD = 3 cm. Cum AB = 1 cm =&gt; BC = AC – AB = 3 – 1 = 2 cm raspuns<strong> c)</strong></li>
<li>Unghiul EAB este suplementul lui ACD deoarece dreptele sunt paralele si nu suntem in nici unul dintre cazurile: alterne interne/externe sau corespondente. Deci EAB = 180<sup>o</sup> – 80<sup>o</sup> = 100<sup>o</sup> raspuns <strong>b)</strong></li>
<li>AD mediana in triunghi si G centru de greutate =&gt; AG = 2 GD =&gt; aria <sub>ADC</sub> = 3 x aria <sub>GDC</sub> = 3 x 15 = 45 cm<sup>2</sup> Cum AD mediana in triunghiul ABC =&gt; aria <sub>ABC</sub> = 2 x 45 = 90 cm<sup>2</sup> raspuns <strong>d)</strong></li>
<li>Cum triunghiul BDC este dreptunghic =&gt; aria <sub>BDC</sub> = 12 / 2 = 6 cm<sup>2</sup> =&gt; aria <sub>ABCD</sub> = 6 x 2 = 12 cm<sup>2</sup> (metoda 2: aria <sub>ABCD</sub> = BD x BC = 12 cm<sup>2</sup> inaltimte inmultita cu baza) raspuns <strong>b)</strong></li>
<li>BDC = 40<sup>o</sup> =&gt; arcul BC = 80<sup>o</sup> si, cum AC diametru rezulta arcul AB = 180<sup>o</sup> – 80<sup>o</sup> = 100<sup>o</sup> =&gt; BCA = 100<sup>o</sup> / 2 =50<sup>o</sup> raspuns <strong>b)</strong></li>
<li>VO = 6, AB = 4, baza patrat =&gt; volum piramida VABCD = (arie baza x inaltime) / 3 = 6×4<sup>2</sup>/3 = 6×16/3 = 96/3 = 32 cm<sup>3</sup> raspuns <strong>a)</strong></li>
</ol>
<p class="wp-block-paragraph">SUBIECTUL III.</p>
<p class="wp-block-paragraph">1.</p>
<p class="wp-block-paragraph">a) Fie m = pretul mingii si c = numarul de copii. Daca m = 153 =&gt; 18 c + 30 = 153 =&gt; 18c = 123 =&gt; c = 6.8(3) nu se poate in numere naturale =&gt; <strong>afirmatia este falsa</strong></p>
<p class="wp-block-paragraph">b) Cu notatiile de la a) =&gt; m = 18c + 30 = 24c – 12 =&gt; 24c – 18c = 30 + 12 =&gt; 6c = 42 =&gt; c = 7 copii =&gt; mingea costa m=18 x 7 + 30 = 126 + 30 = 156 lei <strong>(VERIFICARE doar pe ciorna: (156 + 12) / 24 = 7 si (156-30)/18 = 7 )</strong></p>
<p class="wp-block-paragraph">2.</p>
<p class="wp-block-paragraph">a) E(x) = [x(x-2) + (x-3) + 7-3x)]/[(x-2)(x-3)] = (x<sup>2</sup> – 2x + x – 3 + 7 – 3x)/[(x-2)(x-3)] = (x<sup>2</sup> -4x + 4)/[(x-2)(x-3)] = (x-2)<sup>2</sup> /[(x-2)(x-3)] = (x-2)/(x-3)</p>
<p class="wp-block-paragraph">b)Conform a) =&gt; E(4) = (4-2)/(4-3) = 2/1 = 2 =&gt; A = 2<sup>n</sup> + 2<sup>n+3</sup> = 2<sup>n</sup> (1 +2<sup>3</sup> ) = 9 x 2<sup>n</sup> = M9 x M2 = M18 deoarece 2 si 9 sunt numere prime intre ele.</p>
<p class="wp-block-paragraph">3.</p>
<p class="wp-block-paragraph">a) f(1) = 3 – 6 = -3</p>
<p class="wp-block-paragraph">f(3) = 3×3 – 6 = 9 -6 = 3</p>
<p class="wp-block-paragraph">f(1) + f(3) = -3 + 3 = 0</p>
<p class="wp-block-paragraph">b) {A} = G<sub>f</sub> ∩ Ox =&gt; rezolvam ecuatia f(x) = 0 =&gt; 3x – 6 = 0 =&gt; 3x = 6 =&gt; x = 2 =&gt; A(2,0)</p>
<p class="wp-block-paragraph">{B} = G<sub>f</sub> ∩ Oy =&gt; f(0) = 0 – 6 = – 6 =&gt; B(0, – 6)</p>
<p class="wp-block-paragraph">M mijloc AB =&gt; M((2+0)/2, (0-6)/2) = M(2/2, -6/2) = M(1,-3)</p>
<p class="wp-block-paragraph">O(0,0) = &gt; lungimea OM = √ (0-1)<sup>2</sup> + (0+3)<sup>2</sup> = √10</p>
<p>Pentru rezolvarea completa urmariti: <a href="https://meditatii-orice.ro/rezolvare-subiecte-evaluare-nationala-2026-matematica/" target="_blank" rel="noreferrer noopener">https://meditatii-orice.ro/rezolvare-subiecte-evaluare-nationala-2026-matematica/</a></p>
<p><strong>Subiectele au fost putin mai grele decat de obicei, pentru un 10 curat necesita destul de multa munca. Insa nu ar trebui sa existe copii care sa ia sub 6! Succes tuturor!</strong></p>
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