8n x m+n A-3 B-1 C1 D3
15 xy y----- ; x+y-----
15 ,y----x+y-----
1122ABPADPAEQADPAEQADEAEADEAD60PAQ60EADQADPAQQADEAQDAPAPAQAPDAQESAS
B13C10y=x+kBx
AABCABABD.
1A________D________
2y= 1\3 x2+bx+cCD
32yyE
MAB
EMx.
.
2AB10ABXY, AOM______ABOM
3r A1O1r
601OABO
270ABAB6mO m
201221 AB=AC=10cm BC=16cmDE=4cmDEDBBC1cmsCECEEFACABFDFtt0 1tBEEFBE= EF= 2DEF t 3MNDFEFMN
(2010 ABCDAB=2AP=1PPEPFBC1PEAEFM
201325. (13) ABCD, EBBCCAEDE, AEAG, FGD. (1 ) (2)AEFGABCD(3) BE EBCG
(2013EFADAE=DFCFBDGAGBEAGH2HD.
EFADAE=DFCFBDGAGBEAGH2H
2RtABCC=90AC=6cm BC=8cmPAACC1cm/sQCCBB2cm/sPQt0st4sPQM
36ABCEADECECCEFEF DF
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