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һһrһһһһ

м1,мǼ,ε,ұεݼ

ֵ,ڶ:Ǻ«ߺ,ǵЦ,,һС.

Rʵʳ=11/200=200=2 rʵʳ=0.51/200=100=1 Բʵ=3.14*2-3.14*1 =3.14*(2-1) =3.14*3 =9.42ƽ :Ӻʵ9.42ƽ.

ϵΪ1(-1)2ηx ϵΪ-1 -mn -xη һεʽΪ(-1)2ηx εʽ-mn

һǧ

++һһ=8,2.3*-2*=8.2 +ʮһһ=1,7.3*-2*=1.7 *2+*36*-4*+9*-6*=16.4+5.15*=21.5 =4.3 =4.3ٵ3*-2*4.3=8.23*=8.2+2*4.3=8.2+8.6=16.8 =16.83=5.6

6..201..314..24 40..52 ..78 14..49..15 19..35 6+20+14+4-4=40 1+31+9+15-4=52 4+24+19+35-4=78

10һ111һ=12һ=13һ=һ6=һ710-1=11-2=12-3=13-4=15-6=16-7

ɾȵĶ,֪ AдһΪrʽ,еr+1ʽ(ڵĻ)ȫΪ,AΪr ,Aһrʽ,(A)r ѡA.(A)r+1,һ,A; ѡB.ɿʼķ֪,Bȷ; ѡC.(A)=r,ͬBķ,C; ѡD.AR+1ʽһз,D. ѡ:B

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