Question

Aflati card A Pentru multimile de mai jos

A) A = {x | x € IN Si x|18} =

B) A = { 51,52,53..... 150} =

C) A= { x | x € IN* Si 3LaPuterea2 < x <7LaPuterea2}

D) A = {x | x € IN* , Divizibil 5 Si x < 250
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Va rog, cine le face pe toate 4 Ex, ii dau coroana + 20 de puncte !!!!

Answer 1

A) 1|18
2|18
3|18
6|18
9|18
18|18

B) 100 de termeni

C) 3^2<x<7^2
9<x<49
x=10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48

D) 5,10,15,20,25,30,35,40,45,50,55,60,65,70,75,80,85,90,95,100,105,110,115,120,125,130,135,140,145,150,155,160,165,170,175,180,185,190,195,200,205,210,215,220,225,230,235,240,245