分式乘除计算①x^2-y^2/x·-x^2/(x+y)^2 ②x^2-x/x+1÷x/x+1 额外:2a/4a有得约吗?①x^2-y^2/x·-x^2/(x+y)^2 ②x^2-x/x+1÷x/x+1 ③x^2-4y^2/3xy^3·xy/x+2y ④x^2+6x+9/x^2-9÷x+2/x-3 ⑤x^2+2xy+y^2/x^2-y^2额外:2a/4a有得约吗?刚学

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分式乘除计算①x^2-y^2/x·-x^2/(x+y)^2②x^2-x/x+1÷x/x+1额外:2a/4a有得约吗?①x^2-y^2/x·-x^2/(x+y)^2②x^2-x/x+1÷x/x+1③x^

分式乘除计算①x^2-y^2/x·-x^2/(x+y)^2 ②x^2-x/x+1÷x/x+1 额外:2a/4a有得约吗?①x^2-y^2/x·-x^2/(x+y)^2 ②x^2-x/x+1÷x/x+1 ③x^2-4y^2/3xy^3·xy/x+2y ④x^2+6x+9/x^2-9÷x+2/x-3 ⑤x^2+2xy+y^2/x^2-y^2额外:2a/4a有得约吗?刚学
分式乘除计算①x^2-y^2/x·-x^2/(x+y)^2 ②x^2-x/x+1÷x/x+1 额外:2a/4a有得约吗?
①x^2-y^2/x·-x^2/(x+y)^2 ②x^2-x/x+1÷x/x+1 ③x^2-4y^2/3xy^3·xy/x+2y ④x^2+6x+9/x^2-9÷x+2/x-3 ⑤x^2+2xy+y^2/x^2-y^2
额外:2a/4a有得约吗?刚学部会- -本人数学差死希望能够看题看会.我会给分的.

分式乘除计算①x^2-y^2/x·-x^2/(x+y)^2 ②x^2-x/x+1÷x/x+1 额外:2a/4a有得约吗?①x^2-y^2/x·-x^2/(x+y)^2 ②x^2-x/x+1÷x/x+1 ③x^2-4y^2/3xy^3·xy/x+2y ④x^2+6x+9/x^2-9÷x+2/x-3 ⑤x^2+2xy+y^2/x^2-y^2额外:2a/4a有得约吗?刚学
X ^ 2 +2 X +1 ppm的X +1÷2×2 ppm的X +3
=(X + 1)/(x +1)2×2(X +1)/(x +3)
= 2 /(x +3)
2(2X +2?三分之二XY) - (x ^ 2-Y ^ 2 ppm的X ^ 2 + Y ^ 2)
> =(xy)的/ 2(x + y的) - (X 2 + Y 2)/(x + y的)(xy)的
= [(xy)的2 -2(X 2 + Y 2)] / 2(x + y的)(xy)的]
= - (×2 +2 XY + Y 2)/ 2(X + y)的值(xy)
= - (+ Y)2/2 (X + Y

3.X ^ 2 +4)(XY)
=(X + Y)/(2Y-2X)+4百万分之x ^ 2-1÷(X 1)* x-1的ppm的χ^ 2 +3 X +2
=第(x +1)(x-1的)/(×2)2×1 /(×1)×(+ 1)第(x +2)/(x-1的)
=第(x +1)/(×2)

4. (M + N)(百万元)-2(百万元)^ 2
= M2-N 2 -2(M2-2?MN + N 2)
= 2 +4 MN-3N 2 / a>
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分式乘除计算①x^2-y^2/x·-x^2/(x+y)^2 ②x^2-x/x+1÷x/x+1 额外:2a/4a有得约吗?①x^2-y^2/x·-x^2/(x+y)^2 ②x^2-x/x+1÷x/x+1 ③x^2-4y^2/3xy^3·xy/x+2y ④x^2+6x+9/x^2-9÷x+2/x-3 ⑤x^2+2xy+y^2/x^2-y^2额外:2a/4a有得约吗?刚学 分式的乘除 计算(x²-y²/xy)²÷(x+y)· (x/x-y)³ y=1/x-2 分式计算 用分式加减法计算:3x-y/2x-y - x-y/y-2x 分式计算:x+y分之x^2-x+y=?(x+y分之x^2)-x+y=? 2x+y分之4x平方—4xy+y平方除以(4x平方—y平凡)分式的乘除要过程 分式的乘除计算:(1)m/m²-1·m²+m/m²;(2)x-2/3-x·x²-6x+9/x²-4;(3)3x-6/x²-4÷x+2/x²+4x+4;(4)x²-2x+1/x²-1÷x-1/x²+x. 分式的乘除计算要完整的过程(1)b/a .a/c(2)x²-4y²/3xy³.xy/x+2y (3) 3y/10x .6y²/2x² (4)x/x²-1 .x²+x/x² 分式计算(x-y-4y^2/x-y)(x+y-4x^2/x+y)=? 计算,(x^2-xy)/(xy^2)·y/(y-x) 分式的 乘法, 整式的乘除「(3x+2y)(3x-2y)-(x+2y)(5x-2y)」÷(4x)如何计算 计算(3x²-2xy分之y²-4x²)÷(3x-2y分之2x+y)这是新人教版八年级数学上册第十五章分式的配套基础训练题目,15.2分式的运算 15.2.1分式的乘除里的 1 x+y分之x-y分之x=?分式计算 2 x-1-x+1分之x平方=?分式计算 3 x+1分之x平方-x+1=?分式计算 分式乘除计算:(x²-1)分之(x²-5x+6)·(x-3)分之(x²+x) 两个计算分式题①x^2+1/x-6②y^2-x^2/5x^2-4xy 计算:6(x+2y)^5*5(-x-2y)^5出自:整式的乘除与因式分解 分式的乘除,急(x^2-10x+24)除以(x-6)分之(x-4)^2只做一题也没关系 分式-3ab^2分之-x^3y计算