8a^6=( )^3 -x^3y^6=( )^3 4^3×(1/4)^3=( )^3=_________ 2^8×0.5^7=2×( )^7=________
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8a^6=( )^3 -x^3y^6=( )^3 4^3×(1/4)^3=( )^3=_________ 2^8×0.5^7=2×( )^7=________
8a^6=( )^3 -x^3y^6=( )^3 4^3×(1/4)^3=( )^3=_________ 2^8×0.5^7=2×( )^7=________
8a^6=( )^3 -x^3y^6=( )^3 4^3×(1/4)^3=( )^3=_________ 2^8×0.5^7=2×( )^7=________
8a^6=( 2a²)^3
-x^3y^6=(-xy² )^3
4^3×(1/4)^3=( 4×1/4)^3=____1_____
2^8×0.5^7=2×(2×0.5 )^7=__2______
【2(x-y)^3-8(x-y)^2(x+y)+6y(x-y)^2】/2(x-y)^2=
(1)(x+y)^2-(x+y)^3(2)(x-y)-(x-y)^3(3)(x-y)^2-(y-x)^3(4)2(x-y)-3(y-x)^2(5)4ab(a=b)^2-6a^2b(a+b)(6)(x+y)^2(x-y)+(x+y)(x-y)^2(7)2a(a-3)^2-6a^2(3-a)+8a(a-3)(8)24xy^2z^2(x+y-z)-32xyz(z-x-y)^2+8xy(z-x-y)(9)(a-b)(b-a)^n(b-a)^2n-1 [两解)(10)2^2=3,2^b
初一因式分解练习题,谁好心帮我解下表示平方1.2X~-3XY-X2.(X+Y)~(X+Y)(X-Y)(X+Y)(Y+Z)3.3X(a+2b)~-6XY(a+2b)4.a(x-y)-b(X-Y)-C(Y-X)5.(b-a)~-2a+2b6.(x-y)~-m(y-x)+y-x7.x(x-y)(a-b)-y(y-x)(b-a)8.已知a+b=13,ab=40,求 b+ab~的值
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分式~会滴来哦1..-a^3/2c÷5a^2/-6cd2.y-3/4y-8÷(y+2-5/y-2)3.1+(a-1/1-a)÷(1+a/a^2-2a+1)4.(x/x-y-1)÷y^2/x+y×(x-x^2/x+y),其中,x=-2,y=-15.x+2/x-2=x/x+1
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设A={(x,y)|2x-y=1},B={(x,y)|5x+y=6},C={(x,y)|2x=y+1}(1)A∩B,(2)C∩D,(3)A∩(CUD)D={(x,y)|2x-y=8