填空:(y-x)3=________(x-y)3是3的立方

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填空:(y-x)3=________(x-y)3是3的立方填空:(y-x)3=________(x-y)3是3的立方填空:(y-x)3=________(x-y)3是3的立方:(y-x)3=___-1

填空:(y-x)3=________(x-y)3是3的立方
填空:(y-x)3=________(x-y)3
是3的立方

填空:(y-x)3=________(x-y)3是3的立方
:(y-x)3=___-1_____(x-y)3

-3

(y-x)3=-(x-y)3

填空:(y-x)3=________(x-y)3是3的立方 一道初二填空若2x+y=3,则4x·2y=________. 高一数学填空题3(4)已知x>0,y>0,且1/x+9/y=1,则x+y的最小值________ 若3x=5y,则x:y=________,(x-y):y=______ 化简|1-x+y|-|x-y|(x<0,y>0)=________? 初一简单的数学填空题 在线等(y-3)³=______(x-y)³5(2b-a)²=______(a-2b)²(a-b)(x-y+3)=(b-a)(________) 2道多项式除以多项式的简单题填空(1)(3x+5y)*________=9x^2-25y^2(2) (x+y)^2-_______=(x-y)^2 几道数学填空题,急!在线等!(-x+4y+z)(-x+4y-z)=_______(3a-1)(_______)=1-6a+9a²(-x-y)·(x-y)=______4x²+9y²=(2x+3y)² - _______=(2x-3y)²+________.(x+1)²(x-1)²(x²+1)²=________(x+y)²·(x x*x+xy=3,xy+y*y=2,则x*x+2xy+y*y=________? 3道初二分式计算填空1.(x^2/-y^2)*(-y^2/x)^5÷(xy)7=________.2.(x^2-y^2/xy)*(x/y-x)^2=_________.3.(x^2-5x+6/x^2-1)÷(x-3)/(x^2+x)=_________. 用适当的数或整式填空,并说明理由 1.如果3x-4=15,那么3x=15+___( ) 2.如果5x=2x-3,那么5x+____=-3( )3.如果x-3=y-3,那么x=______( ) 4.如果2x=9,那么x=________(   ). x(x+y)(x-y)-y(y+x)(y-x)=(x-y)( )填空 填空题 1.已知不等式4x-吗≥0的正整数解是1.2,则m的取值范围是________2.已知一次函数y=2x+3,当y>0时,x的范围为________;当y=0时,x的值为________;当一<0时,x的范围为_______3.已知一次函数y=(2k-1)x 初二函数问题填空下喔.把二元一次方程组3X+4Y=5化为Y=KX+B的形式,则K/B=________ 帮我把数学填空题写好,请指教!写好了后!就可以教你语文知识!二.填空题.(1)f(x)=│x│定义域____,值域______.(2)y=根号-x2+x+2定义域________,值域是__________.(3)从集合A={x,y}到B={a,b}的映射共 4x2+9y2=(2x+3y)2+_____.=(2x-3y)²+________ 若x+3的绝对值+(y+2)²=0,则2x-3y=________ 填空:x-y/x+y=( )/x^2-y^2