如果有理数啊,a,b满足|ab-2|+(1-b)的二次方=0,试求1/ab+1/(a+1)(b+1)+1/(a+2)(b
如果有理数啊,a,b满足|ab-2|+(1-b)的二次方=0,试求1/ab+1/(a+1)(b+1)+1/(a+2)(b
如果有理数a,b满足|ab-2|+(1-b)的二次方=0求1\ab+1\(a+1)(b+1)+1|(a+2)(b+2)+
如果有理数a,b满足|ab-2|+(1-b)的2次方=0 试求1/ab+1/(a+a)(b+1)+1(a+2)(b+2)
如果有理数a,b满足|ab-2|+(1-b)平方
如果有理数ab满足ab-2的绝对值+1-b的绝对值=0,试求:ab/1 + (a+1)(b+1)/1 + (a+2)(b
如果有理数a,b满足|ab-2|+(1-b)^2=0,试求1/ab+1/(a+1)(b+1)+1/(a+2)(b+2)…
如果有理数a,b满足|ab-2|+|1-b|=0,试求1 /ab+1/(a+1)(b+1)+1/(a+2)(b+2)+.
如果有理数a和b满足|ab-2|+|1-b|=0,试求1/ab+1/(a+1)(b+1)+1/(a+2)(b+2)+..
如果有理数a,b满足|ab-2|+(1-b)的平方=0 试求:ab分之1+(a+1)(b+2)分之1+...(a+2
如果有理数a,b满足|ab-2|+(1-b)的平方=0,试求:ab分之1+(a+1)(b+2)分之1+.+(a+2007
如果有理数a,b满足|ab-2|+(1-b)的平方=0,试求ab分之1加(a+1)(b+1)分之1+⋯
如果有理数A,B满足(AB-2)的绝对值+(1-B)的平方=0,求1/AB+1/(A+1)(B+1)+...+1/(A+