一些分式的混合运算莪做完了,.1 ( x/x+y + 2y/x+y ) × (xy/x+2y) ÷ (1/x+1/y)2 (1/a+1/b)^2 ÷ (1/a^2 - 1/b^2)3 ( 3x^2/4y)^2 × (2y/3x) + (x^2/2y^2) ÷ (2y^2/x)4 (a+b/a-b)^2 × (2a-2b/3a+3b) -(a^2/a^2-b^2) ÷a/b5 (2m/3n) × (3n/p )^2 ÷ (mn/
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一些分式的混合运算莪做完了,.1 ( x/x+y + 2y/x+y ) × (xy/x+2y) ÷ (1/x+1/y)2 (1/a+1/b)^2 ÷ (1/a^2 - 1/b^2)3 ( 3x^2/4y)^2 × (2y/3x) + (x^2/2y^2) ÷ (2y^2/x)4 (a+b/a-b)^2 × (2a-2b/3a+3b) -(a^2/a^2-b^2) ÷a/b5 (2m/3n) × (3n/p )^2 ÷ (mn/
一些分式的混合运算
莪做完了,.
1 ( x/x+y + 2y/x+y ) × (xy/x+2y) ÷ (1/x+1/y)
2 (1/a+1/b)^2 ÷ (1/a^2 - 1/b^2)
3 ( 3x^2/4y)^2 × (2y/3x) + (x^2/2y^2) ÷ (2y^2/x)
4 (a+b/a-b)^2 × (2a-2b/3a+3b) -(a^2/a^2-b^2) ÷a/b
5 (2m/3n) × (3n/p )^2 ÷ (mn/p^2)
6 (x^2-16/x^2+8x+16) + (x/x-4)
7 1 ÷ (2x + 1-x^2/x)
一些分式的混合运算莪做完了,.1 ( x/x+y + 2y/x+y ) × (xy/x+2y) ÷ (1/x+1/y)2 (1/a+1/b)^2 ÷ (1/a^2 - 1/b^2)3 ( 3x^2/4y)^2 × (2y/3x) + (x^2/2y^2) ÷ (2y^2/x)4 (a+b/a-b)^2 × (2a-2b/3a+3b) -(a^2/a^2-b^2) ÷a/b5 (2m/3n) × (3n/p )^2 ÷ (mn/
1、[xy/(x+y)]^2
2、(b+a)/(b-a)
3、(3x^3*y^3+2x^3)/(8y^4)
4、(2a^2+ab+2b^2)/3(a^2-b^2)
5、6
6、2(x+2)/(x+4)
7、x/(2x+1-x^2)