Question

va rogggggg!!!!! e mega meg mega mega mega urgent!!! va implor!!! dau coroană!!!!​

Answer 1

1

a)  adevarat

b)  adevarat

c)  adevarat

d)  fals

e)  fals

f)  adevarat

g) adevarat

h) fals

i) adevarat

j) fals

k) adevarat la toate

2

a) Nu, deoarece prin impartirea oricarui numar natural la 1 se obtine acel numar. $\displaystyle{n : 1 = n, \ \forall \ n \in \mathbb{N} \rightarrow n \ \vdots \ 1}$

b) Da. Niciun numar natural nu se divide cu zero, deoarece impartirea la zero nu are sens. Nu este definita.

3.

a) $D_{12}$ = {1, 2, 3, 4, 6, 12}

b) $D_{32}$ = {1, 2, 4, 8, 16, 32}

c) $D_{28}$ = {1, 2, 4, 7, 14, 28}

d) $Dprop_{24}$ = {2, 12, 3, 8, 4, 6}

e) $D_{19}$ = {1, 19}

f) $Dimp_{15}$ = {1, 15}

4.

a) $M_{3}$ = {0, 3, 6, 9, 12, 15, 18, 21}

b) $M_{7}$ = {0, 7, 14, 21, 28, 35, 42, 49}

c) $M_{5}$ = {0, 5, 10, 15, 20, 25, 30, 35}

d) $M_{8}$ = {0, 8, 16, 24, 32, 40, 48, 56}

e) $M_{11}$ = {0, 11, 22, 33, 44, 55, 66, 77}