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C1 = G1+P1C0 ÆäÖУºG1 = A1B1

P1 = A1¨’B1£¨A1£«B1 Ò²¶Ô£© C2 = G2+P2C1 G2 = A2B2 P2 = A2¨’B2 C3 = G3+P3C2 G3 = A3B3 P3 = A3¨’B3 C4 = G4+P4C3 G4 = A4B4

P4 = A4¨’B4

(2)²¢ÐнøÎ»·½Ê½ C1 = G1+P1C0

C2 = G2+P2G1+P2P1C0

C3 = G3+P3G2+P3P2G1+P3P2P1C0

C4 = G4+P4G3+P4P3G2+P4P3P2G1+P4P3P2P1C0

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C5 = y4+x4C4

C6 = y5+x5C5 = y5+x5y4+x5x4C4

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T+2*1.5T = 4T

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t0 = 3*1.5T+2T+2*1.5T+1.5T+3T = 14T

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