试题详情
计算:4x÷(-2x)=________.
相关试题
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下列多项式乘法计算题中,不能用平方差公式计算的是( )
A.(2x-3y)(2x+3y)
B.(2x-3y)(-2x+3y)
C.(2x-3y)(-2x-3y)
D.(-2x+3y)(2x+3y)
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(1)计算:2sin60°-+()-1+(-1)2010;
(2)计算:[(2x-y)(2x+y)+y(y-6x)]÷2x;
(3)解方程:2x2-3x-1=0
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(1)计算:2sin60°-+()-1+(-1)2010;
(2)计算:[(2x-y)(2x+y)+y(y-6x)]÷2x;
(3)解方程:2x2-3x-1=0
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(1)计算:(-1)2÷+(7-3)×-();
(2)计算:[(2x-y)(2x+y)+y(y-6x)]÷2x;
(3)解方程:x2-6x+1=0.
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(1)计算:(-1)2÷+(7-3)×-();
(2)计算:[(2x-y)(2x+y)+y(y-6x)]÷2x;
(3)解方程:x2-6x+1=0.
-
(1)计算:(-1)2÷+(7-3)×-();
(2)计算:[(2x-y)(2x+y)+y(y-6x)]÷2x;
(3)解方程:x2-6x+1=0.
-
(1)计算:(-1)2÷+(7-3)×-();
(2)计算:[(2x-y)(2x+y)+y(y-6x)]÷2x;
(3)解方程:x2-6x+1=0.
-
(1)计算:(-1)2÷+(7-3)×-();
(2)计算:[(2x-y)(2x+y)+y(y-6x)]÷2x;
(3)解方程:x2-6x+1=0.
-
(1)计算:(-1)2÷+(7-3)×-();
(2)计算:[(2x-y)(2x+y)+y(y-6x)]÷2x;
(3)解方程:x2-6x+1=0.
-
(1)计算:(-1)2÷+(7-3)×-();
(2)计算:[(2x-y)(2x+y)+y(y-6x)]÷2x;
(3)解方程:x2-6x+1=0.