1.3x-2(2+x) 2.2x-(x+3y)-(-x-y)+(x-y) 3.5a²b-[ 2ab²-3(ab²-a²b)] 4.4(2x²-3x+1)-10(2/5 x² - 7/10 +2) 5.2x²+y²+(2y²-3x²)-2(y²-2x²) 6.(4x-2y²)-[5x-(
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1.3x-2(2+x)2.2x-(x+3y)-(-x-y)+(x-y)3.5a²b-[2ab²-3(ab²-a²b)]4.4(2x²-3x+1)-10
1.3x-2(2+x) 2.2x-(x+3y)-(-x-y)+(x-y) 3.5a²b-[ 2ab²-3(ab²-a²b)] 4.4(2x²-3x+1)-10(2/5 x² - 7/10 +2) 5.2x²+y²+(2y²-3x²)-2(y²-2x²) 6.(4x-2y²)-[5x-(
1.3x-2(2+x) 2.2x-(x+3y)-(-x-y)+(x-y) 3.5a²b-[ 2ab²-3(ab²-a²b)] 4.4(2x²-3x+1)-10(2/5 x² - 7/10 +2) 5.2x²+y²+(2y²-3x²)-2(y²-2x²) 6.(4x-2y²)-[5x-(x-y²)]-x
1.3x-2(2+x) 2.2x-(x+3y)-(-x-y)+(x-y) 3.5a²b-[ 2ab²-3(ab²-a²b)] 4.4(2x²-3x+1)-10(2/5 x² - 7/10 +2) 5.2x²+y²+(2y²-3x²)-2(y²-2x²) 6.(4x-2y²)-[5x-(
x-4
3x-3y
2ab²+ab²
4x² -12x-9
3x²+y²
-x-3y²
楼上快爆了我计算渣还是算了吧
300字读后感 2篇 俄把格式说一下吧:《xxxx》(写题目)主要内容:x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x(写那篇文章的主要内容)思考分析:x x x
*-----------------------------------------------*| 6 4 X | 8 X X | X X 5 || X X X | X X X | X 7 8 || X X X | X X X | X X X ||---------------+---------------+--------------- || X X X | X X X | 5 1 X || X X X | X 6 X | X X X || 8 X X | 3 5 X | 2 X X ||
分解因式:x*x*x*x+2*x*x*x-9*x*x-2x+8
x(x*x-6x-9)-x(x*x-8x-15)+2x(3-x)
填九宫格帮帮忙.x x 6 x x 7 x x 98 x x x 3 x 1 x x 9 x x 6 x 5 x 3 x x x 3 x x x x 1 8x x x 9 x 1 x x x2 1 x x x x 6 x x x 6 x 7 x 3 x x 1 x x 9 x 2 x x x 47 x x 8 x x 5 x x
七年级下册政治复习提纲(山东人民出版社)第五单元是 青春的脚步 青春的气息别弄错了啊!格式:X X X X X X X X X 1、X X X X X X X X X X.2、X X X X X X X X X.3、X X X X X X X X X X X.
解九宫格题目(X为未知数)9 X 2 X 7 X 8 X XX X 4 X X 9 X 6 X1 3 X 5 X X X X 24 X X 8 5 X X 1 XX 8 9 4 X 1 6 7 XX 1 X X 3 6 X X 88 X X X X 2 X 3 6X 5 X 6 X X 9 X XX X 7 X 4 X 2 X 1
请问这道题咋做 :(x)X (x+1) X (x+2) X (x+3) =360
(x/x-2-x/x+2)/4x/x-2
分解因式----(X*X-X)(X*X-X-2)+1
35道.符号^代表平方.读起来就是(X的平方).1,x^-x-202,x^-9x+203,x^-9x-204,x^+9x+205,x^-18x+326,x^+14x-317,x^+18x+328,x^+14x-329,x^+19x+4810,x^+47x-4811,x^+13x-4812,x^+2x-4813,x^+26x+4814,x^-22x-4815,x^+17x+7216,x^+21x-10017,x^-x-7218,x
X-2-(x²/ x+2)
因式分解x(x+2)-x
3x/(x-2)-x/(x+2)÷2x/(x-4)化简3x/(x-2)-x/(x+2)÷2x/(x²-4)化简
|-x|+|x+2|-|2-x|
x(x-2)(x-3)
{x|(x+3)(x-2)
-x^3+x^2-x