分解因式:x3y-2x2y2+xy3= .
考点分析:
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=
.
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2的2018次方再减去2019所得值的个位数为( )
A.5
B.8
C.6
D.7
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在平面直角坐标系中,将抛物线y=x
2-x-6向上(下)或向左(右)平移m个单位,使平移后的抛物线恰好经过原点,则|m|的最小值为( )
A.1
B.2
C.3
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如图,在半径为5的⊙O中,AB、CD是互相垂直的两条弦,垂足为P,且AB=CD=8,则OP的长为( )
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D.4
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如图,在菱形ABCD中,对角线AC与BD交于点O,OE⊥AB,垂足为E,若∠ADC=130°,则∠AOE的大小为( )
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B.65°
C.55°
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