Operații cu puteri de numere naturale Lesson Slides

3 Slides • 3 Questions

1

Operații cu puteri de numere naturale

Reguli de calcul cu puteri

2

1. Înmulțirea a două puteri cu aceeași bază

Definiție: Produsul a două puteri cu aceeași bază este tot o putere, cu aceeași bază și cu exponent egal cu suma exponenților puterilor respective

$\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ a^n\cdot a^m=a^{n+m}$

3

Exemplu

7^{10}\cdot7^{23}=7^{33}

2^3\cdot2^5=2^{3+5}=2^8

4

Poll

Care eset rezultatul?

5^4\cdot5^8

$5^{10}$

$5^{12}$

$5^{40}$

$5^{15}$

5

Multiple Choice

$5^{12}\cdot5^8$

1

$5^{20}$

2

$5^{10}$

3

$5^4$

4

$5^{96}$

6

Multiple Choice

$6^{12}\cdot6^{ }$

1

$6^{12}$

2

$6^{13}$

3

$6^{15}$

4

$6^{11}$

Operații cu puteri de numere naturale

Reguli de calcul cu puteri

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