4DDDDDDDDDDDD7DD7D25DCD5D12D13DD4D6DaDDDDDDDDAD450aDBD225aDCD150aDDDBDDDDDDDDDEFDDDABEDDDDDAD6cm2BD8cm2CD10cm2DD12cm21
DDDDRtDDDDDDDD3DAD25BD14CD2
DDDaDbDcDDRtDDDDDDDDDAD2D3D4BD3D4D673
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD17
1DDDDDDDDDD300aDDDDDDDDDDDD4
DDDDDDDDABCDDDAB=3cmDAD=9cmDDDDDDDDD5
DDDDDDDDDDD16DD/DDDDDDDADDDDDDDDDDDDDDD12DD/DDDDDDDDDADDDDDDDDDDDDDD2DDDDDDDDDDAD25DDBD30DDCD35DDDD40DD3DDD4DDDDABDDDD10DDDDCDDDD7
DDDDDDDDDDDDDDDDDDAC=6DDBC=8DDDDDDDACDDDADDDDDDDDDDABDDDDAEDDDDCDDDDDAD2DBD3DCD4DDD5D12D25D21DDDDDDDDDDDDDDDDaDbDcBa>b=cDDDDa2 口 b2 口 C2=2DAD4BD3CD5DD4
5D9DDDDDDDDDDDDDDDDDDDDDDDDD7DD6
DDDDRtDABCDDDC=90DDDDACDDDDDDA=DB=5DD8
DDDDDDDaDbDcDDDDDDDDD4aD4bD4cDDDDDDDDDDDDDDDDDD3D4DDDDDDD5DDDDD1D1DDDDDDDDDDDDDDDDDDDDDDDDDDDA
1000mC
1200mD
1500mX2—4U+Dy2—3U2=0DDDDxD