(li)ԴпW(wng) ߣпW(wng) 2017-05-10 10:02:20
120AăȽ߅εČǻaκһ(g)ǶăȌ
121ֱ(xin)L͡Oཻdr
ֱ(xin)L͡Od=r
ֱ(xin)L͡Oxdr(ji)
122о(xin)ж(jng)^(gu)돽˲Ҵֱ@l돽ֱ(xin)LjAо(xin)
123о(xin)|(zh)Aо(xin)ֱڽ(jng)^(gu)c(din)İ돽
124Փ1(jng)^(gu)AҴֱо(xin)ֱ(xin)ؽ(jng)^(gu)c(din)
125Փ2(jng)^(gu)c(din)Ҵֱо(xin)ֱ(xin)ؽ(jng)^(gu)A
126о(xin)L(chng)ĈAһc(din)Aăɗlо(xin)о(xin)L(chng)ȈAĺ@һc(din)B(xin)ƽփɗlо(xin)ĊA
127A߅εăɽM߅ĺ
128нǶнǵAĻĈAܽ
129Փɂ(g)нAĻô@ɂ(g)нҲ
130ཻҶAȵăɗlཻc(din)ֳɵăɗl(xin)L(chng)ķe
131Փcֱֱཻôҵһֱɵăɗl(xin)εı
132и(xin)ĈAһc(din)Aо(xin)(xin)о(xin)L(chng)@c(din)(xin)cAc(din)ăɗl(xin)L(chng)ı
133ՓĈAһc(din)Aăɗl(xin)@һc(din)ÿl(xin)cAĽc(din)ăɗl(xin)L(chng)ķe
134ɂ(g)Aôc(din)һBľ(xin)
135كɈAxdR+r
ڃɈAd=R+r
ۃɈAཻR-rdR+r(Rr(ji))
܃ɈAd=R-r(Rr(ji))
݃ɈAȺdR-r(Rr(ji))
136ཻɈABľ(xin)ֱƽփɈAĹ
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