已知实数a,b满足√a-1+√b+2=0,求a ,b,√-ab.
已知:实数a,b满足条件√a-1+(ab-2)²=0试求1/ab+1/(a+1)(b+1)+..+ 1/(a+
已知实数a,b满足关系式a=√(b-4)+√(4-b)+9,求(a-2√(ab)+b)/(√a-√b)的值
已知实数ab满足(√(a²-2a+2)+a-1)(√(b²-4b+8)+b-2)=2,求(a
已知实数a,b满足:a^2+b^2=ab+a+b-1,求a+b之值
已知实数ab满足下列关系式b=√a²-1+√1-a比a-1 再+a+2 求a的b次方
已知a,b为实数,且满足 √a+1 + √a²b-4a² + |6-2b|=2.求满足条件的实数对(
已知实数a,b满足√a+√3-√(ab+1)=0,且1/a+1/2b=1/2,求代数式3ab-3b-b^2-√3a的值
已知实数a、b满足ab=2,a+b=4,对代数式a√(b/a)÷b√(a/b)化简并求值
已知ab≠0,且实数a、b满足√a(√a+√b)=3√b(2/3√a+4√b),那么(a-5b+√ab)/(a+b+√a
已知:字母a,b满足√a-1+√b-2=0,求1/ab+1/(a+1)(b+1)+1/(a+2)(b+2)+.1/(a+
已知实数a,b满足ab=-1/5,a+b=4/5,求a^2b+ab^2-a^3b^2-a^2b^3
已知实数a,b满足√a/b(√ab+2b)=2√ab+3b,则a/b