I I II II Figure 2.3 Network line a - Network line b AРuиtoсFmуiнgaоutкirce2c2.3o.3 ntrolСuеNnтietеttwвyаpoяerkлOlиiMnнeиDaя80-a0N- ieСstеwdтeosеrkiвgаlninяeedлbиfoнrиsяinbgle and ...
已知直线L1:y=kx和L2:y=-2xk.分别与抛物线W:y2=2x和抛物线M:y2=4x交于A.B.C.D四点.则S△OACS△OBD= .
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