49²+b²=35²+a²,ab=3
ab/a+b=3a-2ab+b/2a-3ab+2b?ab/a+b=3a-2ab+b/2a-3ab+2b?ab/a+b=3a-2ab+b/2a-3ab+2b?ab/a+b=3∴ab=3a+3b(a-2ab+b)/(2a-3ab+2b)=[a-
a^2-3ab+b^2/ab=()/ab-3a^2-3ab+b^2/ab=()/ab-3a^2-3ab+b^2/ab=()/ab-3a^2-3ab+b^2/ab=(a^2+b^2)/ab-3
a^2-3ab+b^2/ab=()/ab-3a^2-3ab+b^2/ab=()/ab-3a^2-3ab+b^2/ab=()/ab-3a^2-3ab+b^2/ab=(a^2+b^2)/ab-3
(ab+b)(ab+b)-(a+b)(a+b)=(公式)(ab+b)(ab+b)-(a+b)(a+b)=(公式)(ab+b)(ab+b)-(a+b)(a+b)=(公式)(ab+b)(ab+b)-(a+b)(a+b)==(ab+b)²
(-ab²)×(-a²)-3ab×a²b=?,(-ab²)×(-a²)-3ab×a²b=?,(-ab²)×(-a²)-3ab×a²b=?,(-ab
已知ab=-3求ab-ab(ab的5次方-ab-b)的值已知ab=-3求ab-ab(ab的5次方-ab-b)的值已知ab=-3求ab-ab(ab的5次方-ab-b)的值30
如果a+b=3,ab=-1,那么(a+b)2-a-b+ab=?如果a+b=3,ab=-1,那么(a+b)2-a-b+ab=?如果a+b=3,ab=-1,那么(a+b)2-a-b+ab=?最后等于4,关键就在于-a-b那里要添括号变成-(a+
若a^3+b^3=35,a^2b-ab^2-ab^2=-6,则(a^3-b^3)+(3ab^2-a^2b)-2(ab^2-b^3)的值是多少?把过程写清楚点.若a^3+b^3=35,a^2b-ab^2-ab^2=-6,则(a^3-b^3)+
已知a+b=-3,a^b+ab^=-30,则a^-ab+b^+11已知a+b=-3,a^b+ab^=-30,则a^-ab+b^+11已知a+b=-3,a^b+ab^=-30,则a^-ab+b^+11a^b+ab^=-30所以ab(a+b)=
ab=-2a+b=3求ab(a²+b²)-a-bab=-2a+b=3求ab(a²+b²)-a-bab=-2a+b=3求ab(a²+b²)-a-ba^2+b^2=(a+b)^2-2a
1/4a^2b^2{3ab(a+b)-5a(ab-b^2)}=?1/4a^2b^2{3ab(a+b)-5a(ab-b^2)}=?1/4a^2b^2{3ab(a+b)-5a(ab-b^2)}=?=1/4a²b²(3a
1/a+1/b=3则a-ab+b/a+2ab+b值是?1/a+1/b=3则a-ab+b/a+2ab+b值是?1/a+1/b=3则a-ab+b/a+2ab+b值是?∵1/a+1/b=3∴a+b=3ab﹙a-ab+b﹚/﹙a+2ab+b﹚=﹙3
已知a*a-ab=3,ab+b*b=-5,求代数式a*a+b*b与a*a-2ab-b*b的值已知a*a-ab=3,ab+b*b=-5,求代数式a*a+b*b与a*a-2ab-b*b的值已知a*a-ab=3,ab+b*b=-5,求代数式a*a
b/a+a/b=3,求2ab/(a*a+b*b)-(3a*a+ab+3b*b)/2ab的值b/a+a/b=3,求2ab/(a*a+b*b)-(3a*a+ab+3b*b)/2ab的值b/a+a/b=3,求2ab/(a*a+b*b)-(3a*a
若a+b=3ab=-2,求a+ab+ab+b的值若a+b=3ab=-2,求a+ab+ab+b的值若a+b=3ab=-2,求a+ab+ab+b的值根号13-4a+ab+ab+b=(a+b)+2ab=3+2*(-2)=-1a+ab+ab+b=a
[(a^2-b^2)/b]^2/(a^2+ab)^3*(ab/b-a)^2另:a^2+ab=9[(a^2-b^2)/b]^2/(a^2+ab)^3*(ab/b-a)^2另:a^2+ab=9[(a^2-b^2)/b]^2/(a^2+ab)^3
已知a+b=A,ab=A+2011,1-2(a+ab)+(ab-2b)=3已知a+b=A,ab=A+2011,1-2(a+ab)+(ab-2b)=3A,你能确定a+b与ab的值吗?如果能,请求出他们的值;如果不能,请说明理由.已知a+b=A
a^3-ab^2=a(a^2-b^2)=a(a+b)(a-b)a^3-ab^2=a(a^2-b^2)=a(a+b)(a-b)a^3-ab^2=a(a^2-b^2)=a(a+b)(a-b)你给出的分解因式是正确的,没有问题.
a-b=12ab=-35a+b=a-b=12ab=-35a+b=a-b=12ab=-35a+b=a-b=12由ab=-35,得a、b异号(a+b)²=(a-b)²+4ab=144-4*35=4a+b=±2(a+b)
a+b=3,a-b=7,ab=?a+b=3,a-b=7,ab=?a+b=3,a-b=7,ab=?负10a=5b=-2ab=-10-10-10谢谢采纳ab=–10a=5b=–2