(2a^b)^2+(8a^6b^3)÷(-2a^2b)=多少
(b-a)*(b-a)+(b-a)*2*a等于多少?
(a+b/b-a)+(2a/a-b)-(b-a/2b)等于多少
A=B+B+B+B+B+B+B+B+B+B+B+B+B+B+B A-B×3=C C+2×7+2=1
(a+2b)(2a+4b)(3a+6b)(4a+8b)
(2a+b)(a-b)=8 求a,b
化简:{[(2a-b)/(a+b)]-[b/(a-b)]}÷[(a-2b)/(a+b)]
已知2a-b+1的绝对值+(3a+3/2b)^=0,求(b^/a+b)÷{[(b/a-b)+1][a-(a^/a+b)]
如果a-2b/a+2b=3,求a+2b/a-2b+3a-6b/4a+8b
(a-2b)/(a+2b)=3,求(a+2b)/(a-2b)+(3a-6b)/(4a+8b)的解,
若a,b满足|a+5b-2|+(a+b-6)²=0,求代数式(a-3b)(a+2b)-(a+5b)(a+3b)
a-b\a+b=1\2时,求代数式a+b\3(a-b) - a-b\2(a+b)
(a^3b^6)/(a^2b^2)=3则a^2b^8的值等于多少