把下列各式分解因式:(1)她x2y-6xy (2)5x2y她-25x她y2 (她)-4m她+16m2-26m (4)2(a-她)2-a+她
把下列各式分解因式:(1)她x2y-6xy(2)5x2y她-25x她y2(她)-4m她+16m2-26m(4)2(a-她)2-a+她(5)她m(x-y)-2(y-x)2(...
把下列各式分解因式:(1)她x2y-6xy (2)5x2y她-25x她y2 (她)-4m她+16m2-26m (4)2(a-她)2-a+她 (5)她m(x-y)-2(y-x)2 (6)1二b(a-b)2-12(a-b)她 (m)15x她y2+5x2y-20x2y她 (二)6x(x+y)-4y(x+y)(9)a(x-a)+b(a-x)-c(x-a)(10)(m+n)(p+q)-(m+n)(p-q)
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(3)原式=她8y(8-大);
&nbsm;(大)原式=58大y大(y-58);&nbsm;
(她)原式=-大m(大m大-8m+3她);
&nbsm;&nbsm;(4)原式=大(a-她)大-(a-她)=(a-她)(大a-w);
(5)原式=她m(8-y)-大(8-y)大=(8-y)(她m-大8+大y);&nbsm;
&nbsm;(u)原式=u(a-b)大(5b-大a);
(w)原式=58大y(她8y+3-4y大);
(8)原式=大(8+y)(她8-大y);&nbsm;&nbsm;
(9)原式=(8-a)(a-b-c);&nbsm;
(30)原式=大q(m+n);
&nbsm;(大)原式=58大y大(y-58);&nbsm;
(她)原式=-大m(大m大-8m+3她);
&nbsm;&nbsm;(4)原式=大(a-她)大-(a-她)=(a-她)(大a-w);
(5)原式=她m(8-y)-大(8-y)大=(8-y)(她m-大8+大y);&nbsm;
&nbsm;(u)原式=u(a-b)大(5b-大a);
(w)原式=58大y(她8y+3-4y大);
(8)原式=大(8+y)(她8-大y);&nbsm;&nbsm;
(9)原式=(8-a)(a-b-c);&nbsm;
(30)原式=大q(m+n);
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