Exercițiul 8 va rog mult dau coroana​

Răspuns:

Explicație pas cu pas:

7.

251; 195; 102; 74; 68; 49

8.

a)

62 ≤ n ≤ 71

n = {62; 63; 64; 65; 66; 67; 68; 69; 70; 71}

10 numere

b)

41 < n ≤ 53

n = {42; 43; 44; 45; 46; 47; 48; 49; 50; 51; 52; 53}

12 numere

c)

108 ≤ n < 123

n = {108; 109; 110; 111; 112; 113; 114; 115; 116; 117; 118; 119; 120; 121; 122}

15 numere

d)

451 < n < 472

n = {452; 453; 454; 455; 456; 457; 458; 459; 460; 461; 462; 463; 464; 465; 466; 467; 468; 469; 470; 471}

20 numere

Explicație pas cu pas:

7. 251 > 195 > 102 > 74 > 68 > 49

8. a) 10 numere

[tex]62 \leqslant n \leqslant 71[/tex]

[tex]n \in \{62,63,64,65,66,67,68,69,70,71\} \\ [/tex]

b) 12 numere

[tex]41 < n \leqslant 53[/tex]

[tex]n \in \{42,43,44,45,46,47,48,49,50,51,52,53\} \\ [/tex]

c) 15 numere

[tex]108 \leqslant n < 123[/tex]

[tex]n \in \{108,109,110,111,112,113,114,115,116,117,118,119,120,121,122\} \\ [/tex]

d) 20 numere

[tex]451 < n < 472[/tex]

[tex]n \in \{452,453,454,455,456,457,458,459,460,461,462,463,464,465,466,467,468,469,470,471\} \\ [/tex]