7题7分,写几道加积分(-1.25)*8处以1.25*(-8)=(3a3b+4/1ab2)-(4/3ab2+a2b)=(-3)2*(-3/2-9/5)=(-2)2-8/1处以(2/1)3+(-1)2010p2-3pq+6-8p2+pq=9x-6x2-3(x+2x2)=(3x2-2y2)-2(3x+y2)-(5x2-y2)=

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7题7分,写几道加积分(-1.25)*8处以1.25*(-8)=(3a3b+4/1ab2)-(4/3ab2+a2b)=(-3)2*(-3/2-9/5)=(-2)2-8/1处以(2/1)3+(-1)2010p2-3pq+6-8p2+pq=9x-6x2-3(x+2x2)=(3x2-2y2)-2(3x+y2)-(5x2-y2)=

7题7分,写几道加积分(-1.25)*8处以1.25*(-8)=(3a3b+4/1ab2)-(4/3ab2+a2b)=(-3)2*(-3/2-9/5)=(-2)2-8/1处以(2/1)3+(-1)2010p2-3pq+6-8p2+pq=9x-6x2-3(x+2x2)=(3x2-2y2)-2(3x+y2)-(5x2-y2)=
7题7分,写几道加积分
(-1.25)*8处以1.25*(-8)=
(3a3b+4/1ab2)-(4/3ab2+a2b)=
(-3)2*(-3/2-9/5)=
(-2)2-8/1处以(2/1)3+(-1)2010
p2-3pq+6-8p2+pq=
9x-6x2-3(x+2x2)=
(3x2-2y2)-2(3x+y2)-(5x2-y2)=

7题7分,写几道加积分(-1.25)*8处以1.25*(-8)=(3a3b+4/1ab2)-(4/3ab2+a2b)=(-3)2*(-3/2-9/5)=(-2)2-8/1处以(2/1)3+(-1)2010p2-3pq+6-8p2+pq=9x-6x2-3(x+2x2)=(3x2-2y2)-2(3x+y2)-(5x2-y2)=
1.(-1.25)*8/1.25*(-8)=-10/-10=1
2.3a3b+4/1ab2-4/3ab2-a2b=2ab+4/1ab2-4/3ab2
这个没法化了
3.-6*(-2.1)=-12.6
4.(-4-8)/6+-2010=-12/6+2010=2012
5.9p2-2pq+6
6.9x-6x2-3x-6x2=3x-12x2
7.6-2y2-6x-2y2-5x2+y2=6-8y2-6x
我做了很长时间,