23 11 6884 9 186A.125 B.216 C.218 D.25617 42 710 124 79 13A.

23 11 6884 9 186A.125 B.216 C.218 D.25617 42 710 124 79 13A. [a,b)×[c,d a,b ,c ,d A B C D × 9 ___________________ D C B A (1) A = ( )(2) B = ( ( )-(c-d)=(a-c)-(-b+d) A B C D * 9 = D C B A ,请问A B C D各代表什么数字? 0,9,26,65,124,(A.186 B.215 C.216 D.21734,36,35,35,(),34,37(A A>B,C>D.A+C A+B+D=95 A+B+C=110 A+C+D=125 B+C+D=90 求 A .B .C .D各是多少.. a b c d × 9 _____________ A B C D 乘9 ＝D C B A、请问a b c d等于多少?请问d c b a 已知a>b>c>d,求证1/a-b+1/b-c+1/c-a>=9/a-d