Question

Ajutor va rog,dau coroana

Answer 1

Răspuns:

7,13,23,29,39,45,55,61,71,77,87

aduni nr cu 6 apoi cu 10

7+6=13

13+10=23

23+6=29

29+10=39

39+6=45

45+10=55

55+6=61

61+10=71

________

80,79,77,74,70,65,59,52,44,35

80-1=79

79-2=77

77-3=74

74-4=70

70-5=65

65-6=59

59-7=52

52-8=44

44-9=35

Answer 2

Răspuns:

Explicație pas cu pas:

7,13,23,29,39,45,55,61,71,...    regula +6,+10,+6,+10,+6,...

80,79,77,74,70,65,59,52, ...   regula -1.-2,-3,-4,-5,...