Images 1.5 P

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1.5 p. График QD QS. QD = 60-3p QS=2p+20. QD = 15-2p. QD = 20-3p.
График QD QS. QD = 60-3p QS=2p+20. QD = 15-2p. QD = 20-3p.

See also