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Recapitulare clasa a VIII-a

Recapitulare clasa a VIII-a

Assessment

Flashcard

•

Mathematics

•

1st - 5th Grade

•

Practice Problem

•

Easy

Created by

Catalina Cazacu

Used 6+ times

FREE Resource

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96 questions

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1.

FLASHCARD QUESTION

Front

Media aritmetică a două numere a și b este egală cu

Back

ma=a+b2m_a=\frac{a+b}{2}

2.

FLASHCARD QUESTION

Front

Media geometrică a două numere a și b este egală cu

Back

mg=a⋅bm_g=\sqrt[]{a\cdot b}

3.

FLASHCARD QUESTION

Front

(a+b)2\left(a+b\right)^2

Back

a2+2ab+b2a^2+2ab+b^2

4.

FLASHCARD QUESTION

Front

(a−b)2\left(a-b\right)^2

Back

a2−2ab+b2a^2-2ab+b^2

5.

FLASHCARD QUESTION

Front

a2−b2=a^2-b^2=

Back

(a−b)(a+b)\left(a-b\right)\left(a+b\right)

6.

FLASHCARD QUESTION

Front

Ecuația x2=a, a≥0x^2=a,\ a\ge0 are soluțiile

Back

x1=−ax_1=-\sqrt{a}

x2=ax_2=\sqrt[]{a}

7.

FLASHCARD QUESTION

Front

Două unghiuri opuse la vârf sunt

Back

congruente.

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