Question

va rooog am nevoie urgent,exercitiile 21 si 22,dau coroana si 50 puncte

Answer 1

21.

abc=23*d

abc*10=230*d

abc0=230*d

abc0 + d =230*d+d

abcd=231*d

abcd=73*3*d

abcd contine in descompunerea sa pe 73 nr prim de 2 cifre

22.

a)

3 | x => 3 | 2x

3 | 9

=> 3 | 2x+9

b)

3 | x => 3 | 5x

3 | 6

=>3 | (5x+6)

c)

3 | x => 3 | 7x

3 | 15

=>3 | (7x+15)