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I Tavi

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I<br />

<strong>Tavi</strong><br />

52<br />

magaliTi 1.<br />

vTqvaT A={3;5;1;2}, B={3;1;0} ipoveT: a) A B; b) A B.<br />

amoxsna: a) 3∈A da 3∈B; 1∈A da 1∈B, e. i. A B={3;1}.<br />

b) A B={3;5;1;2;0}.<br />

SeavseT gamotovebuli adgilebi:<br />

N<br />

1. Tu<br />

M<br />

K a , maSin M ? a; N ? a; MK ? a;<br />

2. Tu 2∈A da 2∈A B, maSin 2 ? B;<br />

3. Tu 2∈A da 2∉A B, maSin 2 ? B;<br />

4. Tu 5∈A da 5∉B, maSin 5 ? A B;<br />

5. a) Tu A={2;4;6} da B={2;3}, maSin A ? B={2};<br />

b) Tu M⊂K, maSin M ? K=K;<br />

g) Tu E⊂F, maSin E ? F=E.<br />

savarjiSoebi:<br />

1 M simravle iyos 2-is jerad ricxvTa simravle, K _ 3-is jerad<br />

ricxvTa simravle. ipoveT M K .<br />

2 eileris wreebis saSualebiT aCveneT, rom:<br />

a) A A=A; b) A ∅=A; g) A A=A.<br />

d) Tu B⊂A, maSin A B=A, sadac A da B nebismieri simravleebia.<br />

3 a da b gansxvavebuli wrfeebia. ramden elements SeiZleba Seicavdes<br />

a da b wrfeebis wertilTa simravleebis TanakveTa?<br />

4 ipoveT naxazze mocemuli AB da CD monakveTebis wertilTa<br />

simravleebis TanakveTa da gaerTianeba:<br />

a) b)<br />

A C B D A C D B<br />

5 a) qarTvel studentTa simravlis TanakveTa sportsmenTa<br />

simravlesTan aris ? .<br />

b) saqarTveloSi mcxovreb mdedrobiTi sqesis adamianTa<br />

simravlis TanakveTa 15 wlamde asakis bavSvebis simravlesTan<br />

aris ? .<br />

g) Tqveni klasis moswavle gogonebis simravlis gaerTianeba<br />

Tqvenive klasis moswavle vaJebis simravlesTan aris ? .<br />

d) Tqveni klasis friadosan moswavleTa simravles TanakveTa<br />

skolis friadosan moswavleTa simravlesTan aris ? .

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