(x-1)-7(x-1)-8=0

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/15 04:56:05
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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 3≤|8-x| |x+1|>2-x |x+3|7|x+1| x^2-6|x|+9>0 |x-1|+|x+2|≥5 (1)方法 *-----------------------------------------------*| 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 || 若1+x+x*x+x*x*x=0,求x+x*x+x*x*x+.+x(2000次幂) 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 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- matlab解数值分析题p=(x-1)*(x-2)*(x-3)*(x-4)*(x-5)*(x-6)*(x-7)*(x-8)*(x-9)*(x-10)*(x-11)*(x-12)*(x-13)*(x-14)*(x-15)*(x-16)*(x-17)*(x-18)*(x-19)*(x-20)解为1,2,3……,20取多个非常小的数用软件工具求解方程p(x)+n*x^19=0,并 (x-1)-7(x-1)-8=0 3×(x+1)+4x+8=4(x+1)+5x-7 x+1分之8=x(x+1)分之x+7 解方程 EXCEL两表间同时满足两个条件数据引用如题:表1为原始数据表1 2 3 4 5 6 7 8 9 10.A X X X X X X X X X XB X X X X X X X X X XC X X X X X X X X X XD X X X X X X X X X X .表2(A列) (B列) (C列)A 1A 3B 8B 5C 2D 3...... (X-1)(X-2)(X+2)(X+3)=60(X-1)(X-2)(X-3)(X-4)+1=0(X-5)/(X-6)+(X-8)/(X-9)=(X-7)/(X-8)+(X-6)/(X-7) 已知x除以(x*x-x+1)=7,求x*x除以(x*x*x*x+x*x+1)的值 用罗必达法则解 (见图)lim [(e^x)-1/sin(5x)]x->0lim [1-cos(5x)/1-cos(7x)]x->0lim x->0 [(8^x-7^x-1)/(x^2)-1]lim [1-(6/x)]^x x->∞ lim 7cos(3x)sec(9x)x->pi/2 x²-4x+1=0;x(x-1)=42,求x值, (8-7x-6x²+2x³)+(x³+5x²+4x-1)-(-x²-3x+2x³-3) 试说明:不论x取何值,代数式(x^+5x^+4x-1)-(-x^-3x+2x^-3)+(8-7x-6x^+x^)的值不...试说明:不论x取何值,代数式(x^+5x^+4x-1)-(-x^-3x+2x^-3)+(8-7x-6x^+x^)的值不变问题补充:速度! X(X+1)-5X=0