Question

va rog frumos dau coroana
am nevoie urgent ​

Answer 1

Explicație pas cu pas:

d) 1234,1243,1324,1342,1423,1432

5.b) primele 9 pagini: 9 cifre

151-9=142

142:2=71

In total sunt 80 de pagini

6.a)444,666,888

b) 30,33,36,39,42,45

c)388,390,392,394,396,398,400,402,404

d)111,333,555,777