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pana la 12 30 plizz coroana

Pana La 12 30 Plizz Coroana class=

Răspuns :

1. 5 la a doua - 6x4=25-6x4=25-24=1

2. AUB={1, 2, 3, 5, 6, 7, 8, 9}
A∩B={5, 9}
B/A={1, 3, 7}

3. 212+213+214=639

4. x=7, x=8, x=9