3/2x(2.25+25/6)x7.7%]-15/13=?
7^4-3x7^2-8x7^3化简
用秦九韶算法计算当X=3时多项式f(x)=7X7+6x6+5x5+4x4+3X3+2x2+X的值
-13x3/2+3/1x(-13)-0.34x7/2-7/5x0.34用简便方法计算
5*x+10*(x-7)+2*(27-2*x7)=108
lim[1/(1x4)+1/(4x7)+1/(7x10)+...+1/(3n-2)x(3n+1)]=_____
100x( 3/1x4 + 3/4x7 +3/7x10 +.3/97x100)=?注:1x4、4x7、7x10等均为分母
解方程 0.9x-4x1.3=1.1 1.3x7=25.1-8x 4.8+0.5x=6.3 (25+2x)x4=340
解方程 0.9x--4x1.3=1.1 1.3x7=25.1-8x 4.8+0.5x=6.3 (25+2x)x4=340
4x-6x7.2=9.8怎么解方程急
48-x+3x7=36 解方程
用秦九韶算法求多项式f(x)=7x7+6x6+5x5+4x4+3x3+2x2+x,当x=3时,v3的值为( )
用秦九韶算法求多项式式f(x)=7x7+6x6+5x5+4x4+3x3+2x2+x,当x=2时的值.