5x²-8x 5-3x² 6x
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![5x²-8x 5-3x² 6x](/uploads/image/f/352525-13-5.jpg?t=5x%C2%B2-8x+5-3x%C2%B2+6x)
#include"stdafx.h"#include"iostream"#include<stdio.h>#include<stdlib.h&
再答:希望采纳
原式=(x-1)(x-2)/(x-2)(x-3)*(x-3)(x-4)/(x-1)(x-4)=1有疑问,请追问;若满意,请采纳,谢谢!
|x-1|+|x-10|表示数轴上x到1的距离+x到10的距离.显然最小值是9,此时x只要在1到10之间就好.类似的,|x-2|+|x-9|的最小值是7,此时x在2到9之间就好.|x-3|+|x-8|
x(1+2+...+9)=x(9-8-7-...-1)x=0记得采纳啊
f(3)=((((((7*3+6)*3+5)*3+4)*3+3)*3+2)*3+1)*3
5.6x0.7+0.2x5.6+0.56=5.6x0.7+0.2x5.6+5.6x0.1=5.6x(0.7+0.2+0.1)=5.68.25-2x=7.6252x=0.625x=0.31253x+15
2/5:x=2/3:8x×(2/3)=8×(2/5)=16/5x=(16/5)÷(2/3)=24/51.7x-0.4x=3.91.3x=3.9x=3.9÷1.3=3
X5+X+1=X5-X4+X4-X3+X3-X2+X2+X+1=X4(X-1)+X3(X-1)+X2(X-1)+X2+X+1=X2(X-1)(X2+X+1)+(X2+X+1)=(X2+X+1)(X3-
4x+27=634x=63-274x=36x=94x+9X3=634x+27=634x=63-274x=36x=93x-8=193x=19+83x=27x=93x-2X4=193x-8=193x=19
7.6x—5—27=x—3.4x7.6x-x+3.4x=27+510x=32x=3.28x—3=(15—x)X58x-3=75-5x8x+5x=75+313x=78x=6
寒樱暖暖为你39.6-3X=16.23X=39.6-16.23X=23.4X=7.8(或在客户端右上角评价点【满意】)是我前进的动力!也会给你带去财富值的.如有不明白,直到完成弄懂此题!
3/5x+(1+1/5)x5/3x=19809x+6/5*25x=1980*159x+30x=1980*1539x=29700x=29700/39
移项3x=4×5-53x=15x=15÷3x=5
5式相加,3(x1+x2+x3+x4+x5)=1+5-5-3+2=0所以x1+x2+x3+x4+x5=0X1+X2+X3=5,X4+X5+X1=-3,两式相加:X1+(X1+X2+X3+X4+X5)=
1、=(2x5)^4x2=200003、=8^8x(1/8)^8=14、=(3x2/3)^5x5^6=(2x5)^5x5=500000
(x-6)x5/6=5x-6=5×6/5x-6=6x=6+6x=12
10X(15-X)=1215-X=1.2X=13.832x-7x-5x=42020x=420X=211.4x5+6x=11.26X=11.2-76x=4.2X=0.7