(1+0..228-0.21)x(0.228-0.21+0.2003)-(1+0.228-0.21+0.2003)x(0.228-0.21)简便方法计算简便方法
来源:学生作业帮助网 编辑:六六作业网 时间:2024/11/23 19:44:57
(1+0..228-0.21)x(0.228-0.21+0.2003)-(1+0.228-0.21+0.2003)x(0.228-0.21)简便方法计算简便方法(1+0..228-0.21)x(0.2
(1+0..228-0.21)x(0.228-0.21+0.2003)-(1+0.228-0.21+0.2003)x(0.228-0.21)简便方法计算简便方法
(1+0..228-0.21)x(0.228-0.21+0.2003)-(1+0.228-0.21+0.2003)x(0.228-0.21)简便方法计算
简便方法
(1+0..228-0.21)x(0.228-0.21+0.2003)-(1+0.228-0.21+0.2003)x(0.228-0.21)简便方法计算简便方法
设1 0.228-0.21=x 0.228-0.21=y 原式=x*(y 0.2003)-(x 0.2003)*y =xy 0.2003x-xy-0.2003y =0.2003x-0.2003y =0.2003*(x
(1+0.2)X=(X-64)/0.
一个“整式的乘法”的问题请先阅读下列解题过程,再仿做下面的问题.已知X*X + X - 1=0,求X*X*X + 2*X*X + 3的值.解X*X*X + 2X*X +3=X*X*X +X*X -X +X*X +X +3=X{X*X +X -1} +X*X +X -1 +4=0+0+4=4+ x + X*X + X*X*X=0.+ X*X + X*X*X
(1+0..228-0.21)x(0.228-0.21+0.2003)-(1+0.228-0.21+0.2003)x(0.228-0.21)简便方法计算简便方法
(x-1)+(x+2)+0.2x+2x=46
0.1X-0.2/0.02-2X+1/0.
0.2x+1/1.5-0.01x-0.02/0.
x+1/0.3—2x=0.1x+0.2/0.
1+x+x^2+x^3+...+x^8+x^9=0.x^2000+1/(x^2000)
已知x二次-x-1=0.x五次-x四次-3x三次+3x二次+x得多少
先化简再求值 [(x/x+1) +(x+1/x^2-1)] / (x^2+1/4x),其中x满足方程x^2-2x-1=0.
函数f(x)=(x+1)lnx-x+1.证明:(x-1)f(x)≥0.
已知1+x+x^2+x^3+x^4+.+x^4=0.求多项式1+x+x^2+x^3+.+x^1989
lim[(a^x+b^x+c^x)/3 ]^(1/x),其中 x趋向于0.
已知f(x)+2f(1/x)=x.x不等于0.则f(x)=
设f(x)=x㏑(1+x^2),x≥0.(x^2+2x-3)e^(-x),x<0,求∫f(x)dx
化简(2x-5)(3x+2)-6(x+1)(x-2),其中x=0.2
X+1/0.2-2X=0.1x+0.2/0.03:
计算(1+0.21+0.32)x(0.21+0.32+0.43)-(1+0.21+0.32+0.43)x(0.21+0.2)