(x-2)/5-(x+3)/10-(2x-5)/3+3=0去分母啊标注

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(x-2)/5-(x+3)/10-(2x-5)/3+3=0去分母啊标注(x-2)/5-(x+3)/10-(2x-5)/3+3=0去分母啊标注(x-2)/5-(x+3)/10-(2x-5)/3+3=0去

(x-2)/5-(x+3)/10-(2x-5)/3+3=0去分母啊标注
(x-2)/5-(x+3)/10-(2x-5)/3+3=0
去分母啊标注

(x-2)/5-(x+3)/10-(2x-5)/3+3=0去分母啊标注
两边乘30
6(x-2)-3(x+3)-10(2x-5)+90=0
6x-12-3x-9-20x+50+90=0
20x-6x+3x=50+90-12-9
17x=119
x=119÷17
x=7

计算(x*x+4x+5)/(x+2)-(x*x+6x+10)/(x+3)+1 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 解下列方程!就三道!解下列方程.1、x/x-2 - 1-x²/x²-5x = 2x/x-3(x/x-2 - 1-x²不是一起的!)2、5x/x²+x-6 - 5-2x/x²-x-12=7x-10/x²-6x+8(5x/x²+x-6 - 5-2x不是一起的!)3、x-4/x-5 + x-8/x-9=x-7/x- 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 (x-3)(x+4)-2(x+5)(x-5),其中x-10先化简再求值 *-----------------------------------------------*| 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 || 解方程(x-2)X(x的平方-6x-9)=x(x-5)X(x-3) x(x平方-1)+2X平方(X+1)-3X(2X-5)帮个忙 化简(x+2)(x的平方-6x-9)-(x-5)(x-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 为什么3X-2(-X?(X-1)+5)=-3X +2 X? (X-1)-10 解方程 x(2x-5)=4x-10 x+5x+7=3x+11 请问这道题咋做 :(x)X (x+1) X (x+2) X (x+3) =360 x+5/x+1-3x-3/x+5=8x+28/x^2+4X-5-2(x+5)/(x+1)-(3x-3)/(x+5)=(8x+28)/(x^2+4X-5)-2 1.(1/X-1 )-2=X^-3X/X^-12.(X/X+1)^+5(X/X+1)+6=03.(8(X^+2X)/X^-1)+ 3(X^-1)/X^+2x x/(x-2)-(1-x ² )/(x ² -5x+6)=(2-x)/(x-3) 解方程,急 分式乘法!(5x+2)/(25-10x+x^2)乘以(x^2-25)/(25x^2-4)(2x-6)/(4-4x+x^2)乘以{(x-2)(x+3)}/(3-x) 3x/(x-2)-x/(x+2)÷2x/(x-4)化简3x/(x-2)-x/(x+2)÷2x/(x²-4)化简