1/(a2+3a)23c/ab2-25m2/n2數(shù)學(xué)七年級下冊練習(xí)冊答案【三篇】,a(1-x),(n2-1)/(n3-n)a-b-3b2/2a(x+3)/(x-3)基礎(chǔ)練習(xí)1/(a-b)當(dāng)x=0時(shí), 【導(dǎo)語】下面是不正確1/[(x-1)2]基礎(chǔ)練習(xí)a/2b當(dāng)x=1時(shí),*7/6(10x-2y)(5y-3x)[a(1-x)2]/[a+a(1-x)]=[(1-x)2]/(2-x)m2+6m+9v/ax=0綜合運(yùn)用基礎(chǔ)練習(xí)3/53/(x-2)6.4元m(a+1)/(a-1)當(dāng)x=-1時(shí),