tceic.com
>> >>

abcR+abc=1


abcRabc=1


:

abcR+,abcabc=1.:++<++._....doc

abcR+,abcabc=1.:++<++. (14) :abcR+,abc=1...

a,b,c,a+b+c=1,:++.__.doc

a,b,c,a+b+c=1,:++. :, , a2b2+b2c2+c2a2+2abc(a+b+c...

a,b,cR+,abc=1..__.doc

a,b,cR+,abc=1.. :, a=b=c=1,.. a,b,cR+,abc=1, abc...

...x-1|+|x+1|4;(2)a,b,cR+,abc=1,:._....doc

(2)a,b,cR+,abc=1,:. (1):x<-1,:x-2,-2x<-1. ...

a,b,c(0,+),a+b+c=1,(1-a)(1-b)(1-c.doc

a,b,c(0,+),a+b+c=1,(1-a)(1-b)(1-c)8abc.__2015_///__

a,b,cR+,abc=1,++.__.doc

a,b,cR+,abc=1,++. :abc=1,==, =,=, ++=++3, ...

(1)abcR+,:++3(2)abc,....doc

(1)abcR+,:++3 (2)abc,a+b+c=1,:ab+bc+ac. ...

(1)a,b,cR,a+b+c=1,:a2+b2+c2;(2)a,b,c....doc

(1)a,b,cR,a+b+c=1,:a2+b2+c2; (2)a,b,c,abc=1,:++>++. ...

abcR+,a+b+c=abc,:++.__.doc

:abcR+,a+b+c=abc, a=tanA,b=tanB,c=tanC,A+B+C=,(0<A,B,C<), tanC=-tan(A+B)=-, tanA+tanB+tanC=...

abcR+,:(a2+a+1)(b2+b+1)(c2+c+1).doc

abcR+,:(a2+a+1)(b2+b+1)(c2+c+1)27abc. :a2+a+12a+a=3a>0,b2+b+12b+b=3b>0...

|a|<1,|b|<1,|c|<1,: abc+2>a+b+c._.doc

y=f(x)=(bc-1)x+2-b-c,|b|<1,|c|<1,|x|<1,-1<a<1 f(-1)=1-bc+2-b-c=(1-bc)+(1-b)+(1-c)>...

a,b,cR,abc=1a+b+c( )__.doc

A (a=b=c,=),,(a=1,b=2,c=3,,abc1) ...

a,b,c,a+b+c=1.:(1);(2).__.doc

:(1)a2+b22ab,b2+c22bc,a2+c22ac, a2+b2+c2ab+bc+ac, a+b+c=1, (a+b+c)2=a2+b2+c2+2ab+2bc+2ac=1, ...

a,b,cR,abc=1,(2+a)(2+b)(2+c)___....doc

a,b,cR,abc=1,(2+a)(2+b)(2+c)___. 27 :a,b,cabc=1, (a+2)(b...

abc,a+b+c=1,:(1-a)(1-b)(1-c)8....doc

abc,a+b+c=1,:(1-a)(1-b)(1-c)8abc. :a+b+c=1,a,b,c; 1-a=b+...

a,b,c,a+b+c=1.:ab+bc+ca.__.doc

a+b+c=1, (a+b+c)2=a2+b2+c2+2(ab+ac+bc)=13(ab+bc+ca), ab+bc+ca(a=b=c==). :a,b,c...

(2015)a,b,cR+,:(1)(ab+a....doc

(2015)a,b,cR+,: (1)(ab+a+b+1)(ab+ac+bc+c2)16abc (2)++3....

"abc=1"_.pdf

"abc=1"__...c ,a b c1, 2+a+ b + 1 ...1 X R . == 1+ z 1...

...+b+c=1,:(1-a)(1-b)(1-c)8abc.(2)a,b,c....doc

... (1)abc,a+b+c=1,:(1-a)(1-b)(1-c)8abc....

abc=1_.pdf

abc c: +b +ab +6 +b.abc n 6 c 4 a,bcR+, 6c=1. : 1 26 c a+6 +a2b ...

|
All rights reserved Powered by www.tceic.com
copyright ©right 2010-2021
zhit325@126.com