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![# Oriceare ar fi $a, b \in \mathbb{N}$ : $(a, b), [a, b] = a \cdot b$
# OPERAŢII CU NUMERE ÎNTREGI
$+ \cdot + = +$
$+ \cdot - = -$
$- \cdo](/_next/image?url=https%3A%2F%2Fcontent-eu-central-1.knowunity.com%2FCONTENT%2F0194a979-9783-7963-8773-cb0811631c04_image_page_1.webp&w=2048&q=75)
![# Oriceare ar fi $a, b \in \mathbb{N}$ : $(a, b), [a, b] = a \cdot b$
# OPERAŢII CU NUMERE ÎNTREGI
$+ \cdot + = +$
$+ \cdot - = -$
$- \cdo](/_next/image?url=https%3A%2F%2Fcontent-eu-central-1.knowunity.com%2FCONTENT%2F0194a979-9783-7963-8773-cb0811631c04_image_page_2.webp&w=2048&q=75)
![# Oriceare ar fi $a, b \in \mathbb{N}$ : $(a, b), [a, b] = a \cdot b$
# OPERAŢII CU NUMERE ÎNTREGI
$+ \cdot + = +$
$+ \cdot - = -$
$- \cdo](/_next/image?url=https%3A%2F%2Fcontent-eu-central-1.knowunity.com%2FCONTENT%2F0194a979-9783-7963-8773-cb0811631c04_image_page_3.webp&w=2048&q=75)
![# Oriceare ar fi $a, b \in \mathbb{N}$ : $(a, b), [a, b] = a \cdot b$
# OPERAŢII CU NUMERE ÎNTREGI
$+ \cdot + = +$
$+ \cdot - = -$
$- \cdo](/_next/image?url=https%3A%2F%2Fcontent-eu-central-1.knowunity.com%2FCONTENT%2F0194a979-9783-7963-8773-cb0811631c04_image_page_4.webp&w=2048&q=75)
![# Oriceare ar fi $a, b \in \mathbb{N}$ : $(a, b), [a, b] = a \cdot b$
# OPERAŢII CU NUMERE ÎNTREGI
$+ \cdot + = +$
$+ \cdot - = -$
$- \cdo](/_next/image?url=https%3A%2F%2Fcontent-eu-central-1.knowunity.com%2FCONTENT%2F0194a979-9783-7963-8773-cb0811631c04_image_page_5.webp&w=2048&q=75)
![# Oriceare ar fi $a, b \in \mathbb{N}$ : $(a, b), [a, b] = a \cdot b$
# OPERAŢII CU NUMERE ÎNTREGI
$+ \cdot + = +$
$+ \cdot - = -$
$- \cdo](/_next/image?url=https%3A%2F%2Fcontent-eu-central-1.knowunity.com%2FCONTENT%2F0194a979-9783-7963-8773-cb0811631c04_image_page_6.webp&w=2048&q=75)
![# Oriceare ar fi $a, b \in \mathbb{N}$ : $(a, b), [a, b] = a \cdot b$
# OPERAŢII CU NUMERE ÎNTREGI
$+ \cdot + = +$
$+ \cdot - = -$
$- \cdo](/_next/image?url=https%3A%2F%2Fcontent-eu-central-1.knowunity.com%2FCONTENT%2F0194a979-9783-7963-8773-cb0811631c04_image_page_7.webp&w=2048&q=75)
![# Oriceare ar fi $a, b \in \mathbb{N}$ : $(a, b), [a, b] = a \cdot b$
# OPERAŢII CU NUMERE ÎNTREGI
$+ \cdot + = +$
$+ \cdot - = -$
$- \cdo](/_next/image?url=https%3A%2F%2Fcontent-eu-central-1.knowunity.com%2FCONTENT%2F0194a979-9783-7963-8773-cb0811631c04_image_page_8.webp&w=2048&q=75)
![# Oriceare ar fi $a, b \in \mathbb{N}$ : $(a, b), [a, b] = a \cdot b$
# OPERAŢII CU NUMERE ÎNTREGI
$+ \cdot + = +$
$+ \cdot - = -$
$- \cdo](/_next/image?url=https%3A%2F%2Fcontent-eu-central-1.knowunity.com%2FCONTENT%2F0194a979-9783-7963-8773-cb0811631c04_image_page_9.webp&w=2048&q=75)
![# Oriceare ar fi $a, b \in \mathbb{N}$ : $(a, b), [a, b] = a \cdot b$
# OPERAŢII CU NUMERE ÎNTREGI
$+ \cdot + = +$
$+ \cdot - = -$
$- \cdo](/_next/image?url=https%3A%2F%2Fcontent-eu-central-1.knowunity.com%2FCONTENT%2F0194a979-9783-7963-8773-cb0811631c04_image_page_10.webp&w=2048&q=75)
![# Oriceare ar fi $a, b \in \mathbb{N}$ : $(a, b), [a, b] = a \cdot b$
# OPERAŢII CU NUMERE ÎNTREGI
$+ \cdot + = +$
$+ \cdot - = -$
$- \cdo](/_next/image?url=https%3A%2F%2Fcontent-eu-central-1.knowunity.com%2FCONTENT%2F0194a979-9783-7963-8773-cb0811631c04_image_page_11.webp&w=2048&q=75)
![# Oriceare ar fi $a, b \in \mathbb{N}$ : $(a, b), [a, b] = a \cdot b$
# OPERAŢII CU NUMERE ÎNTREGI
$+ \cdot + = +$
$+ \cdot - = -$
$- \cdo](/_next/image?url=https%3A%2F%2Fcontent-eu-central-1.knowunity.com%2FCONTENT%2F0194a979-9783-7963-8773-cb0811631c04_image_page_12.webp&w=2048&q=75)
![# Oriceare ar fi $a, b \in \mathbb{N}$ : $(a, b), [a, b] = a \cdot b$
# OPERAŢII CU NUMERE ÎNTREGI
$+ \cdot + = +$
$+ \cdot - = -$
$- \cdo](/_next/image?url=https%3A%2F%2Fcontent-eu-central-1.knowunity.com%2FCONTENT%2F0194a979-9783-7963-8773-cb0811631c04_image_page_13.webp&w=2048&q=75)
![# Oriceare ar fi $a, b \in \mathbb{N}$ : $(a, b), [a, b] = a \cdot b$
# OPERAŢII CU NUMERE ÎNTREGI
$+ \cdot + = +$
$+ \cdot - = -$
$- \cdo](/_next/image?url=https%3A%2F%2Fcontent-eu-central-1.knowunity.com%2FCONTENT%2F0194a979-9783-7963-8773-cb0811631c04_image_page_14.webp&w=2048&q=75)
![# Oriceare ar fi $a, b \in \mathbb{N}$ : $(a, b), [a, b] = a \cdot b$
# OPERAŢII CU NUMERE ÎNTREGI
$+ \cdot + = +$
$+ \cdot - = -$
$- \cdo](/_next/image?url=https%3A%2F%2Fcontent-eu-central-1.knowunity.com%2FCONTENT%2F0194a979-9783-7963-8773-cb0811631c04_image_page_15.webp&w=2048&q=75)
![# Oriceare ar fi $a, b \in \mathbb{N}$ : $(a, b), [a, b] = a \cdot b$
# OPERAŢII CU NUMERE ÎNTREGI
$+ \cdot + = +$
$+ \cdot - = -$
$- \cdo](/_next/image?url=https%3A%2F%2Fcontent-eu-central-1.knowunity.com%2FCONTENT%2F0194a979-9783-7963-8773-cb0811631c04_image_page_16.webp&w=2048&q=75)
![# Oriceare ar fi $a, b \in \mathbb{N}$ : $(a, b), [a, b] = a \cdot b$
# OPERAŢII CU NUMERE ÎNTREGI
$+ \cdot + = +$
$+ \cdot - = -$
$- \cdo](/_next/image?url=https%3A%2F%2Fcontent-eu-central-1.knowunity.com%2FCONTENT%2F0194a979-9783-7963-8773-cb0811631c04_image_page_17.webp&w=2048&q=75)
![# Oriceare ar fi $a, b \in \mathbb{N}$ : $(a, b), [a, b] = a \cdot b$
# OPERAŢII CU NUMERE ÎNTREGI
$+ \cdot + = +$
$+ \cdot - = -$
$- \cdo](/_next/image?url=https%3A%2F%2Fcontent-eu-central-1.knowunity.com%2FCONTENT%2F0194a979-9783-7963-8773-cb0811631c04_image_page_18.webp&w=2048&q=75)
![# Oriceare ar fi $a, b \in \mathbb{N}$ : $(a, b), [a, b] = a \cdot b$
# OPERAŢII CU NUMERE ÎNTREGI
$+ \cdot + = +$
$+ \cdot - = -$
$- \cdo](/_next/image?url=https%3A%2F%2Fcontent-eu-central-1.knowunity.com%2FCONTENT%2F0194a979-9783-7963-8773-cb0811631c04_image_page_19.webp&w=2048&q=75)