Question

20 p.pentru răspuns corect plus coroana​

Answer 1

15=3x5
21=3x7
19=17+2
14=3+11
18=23-5
35=37-2

Answer 2

Răspuns:

2

a) 2,3,5,7,11,13,17,19

b)61,67,71,73,79,83

c)89,97

3.

a) 3×5=15

b)3×7=21

c)2+17=19

d)3+11=14

e)23-5=18

f)37-2=35

Explicație pas cu pas:

succes