Question

Determina numerele naturale de forma abcde pentru care
a-b=b-c=c-d= 2


Am atasat o mica poza cu exercitiul

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Answer 1

Răspuns:

Abcde=a-b=b-c=c-d=2

97531=9-7=7-5=5-3=2

Answer 2

Răspuns:

a=b+2

b=c+2

c=d+2

e poate fi 0;1,2,3,4,5,6,7,8,9

daca d =0 c=2 b=4 a=6

Daca d=1 c=3 b=5 a=7

daca d=2 c=4 b=6 a=8

Daca d=3 c=5 b=7 a=9

A, b, c, d sau e nu pot fi mai mari de 9

Numerele sumt :64200,64201,64202,64203,64204,

64205,64206,64207,64208,64209,

75310,75311,75312,75313,75314,75315,

75316,75317,75318,75319,86420,86421,

86422,86423,86424,86425,86426,

86427,86428,86429

97530,97531,97532,97533,97534,97535,97536,97537,97538,97539