X-(X*0.17)=34
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x=12432.48+x/1.17*0.17-80-(x/1.17*0.17)*0.03x-x/1.17*0.17+(x/1.17*0.17)*0.03=12432.48-80[1-1/1.17*0.
(56-X)=3(34-X)56-X=102-3X2X=46X=23
是这样的:x^5+x^4=x^3(x^2+x)=(x^2+x)[(x^3-1)+1]=(x^2+x)(x^3-1)+x^2+x=[x(x+1)(x-1)](x^2+x+1)+x^2+x=(x^3-x)
①x=0.1②x=3③x=9.9/4.5④x=15很高兴为您解答,【学习宝典】团队为您答题.请点击下面的【选为满意回答】按钮,
3x+4(9-x)=343x+36-4x=34-x=-2x=2
x(1+2+...+9)=x(9-8-7-...-1)x=0记得采纳啊
(X+X)+(X-X)+(X*X)+(X/X)=1002X+0+X*X+1=1002X+X*X=99X(X+2)=99X=9再问:请问X(X+2)=99解为什么就等于9了呢没看懂再答:换成算术法你就明
X+X+X+X+X+X+100X=1690106x=1690x=845/53
设x1=4-√3,x2=4+√3,是方程X^2-8X+13=0的两根所以X1^2-8X1+15=2X^4-6X^3-2X^2+18X+23=(X+1)^2*(X^2-8X+13)+10=10所以原式=
3.5x+5x=348.5X=34X=34/8.5X=4
当X=51a=51/10取整=5b=51/10取余=1X=10*1+5=15所以,运行结果为15
(x-22)+(x-24)+(x-27)+(x-20)=xx-22+x-24+x-27+x-20=x4x-93=x4x-x=933x=93x=31
(X-10000)/(X/0.17)=0.1X-10000=0.1*X/0.17X-10000=X/1.7X-X/1.7=100000.7X/1.7=10000X=10000÷0.7/1.7X=170
x/x(x-1)+2=2x/(x+1)1/(x-1)+2=2x/(x+1)x+1+2(x-1)(x+1)=2x(x-1)x+1+2x²-2-2x²-2x=0-x-1=0-x=1x=
2.4x=0.36x=0.15
(1)X+40%X=28, (1+40%)X=28, &nb
#includesintjiesheng(intn)//用于计算阶乘如:3!{if(n=1)rerunn;returnn*hh(n-1)}doubledigui(intn,intx)//用以计算y=x
x-x/1.05*0.05-0.17*(x/1.05*0.05)=100x-(1/21)x-0.17*1/21x=100[1-(1+17/100)*1/21]=1001983/2100x=100x=2
5x-3(10-x)=345x-30+3x=345x+3x=34+308x=64x=64/8x=8
2x等于x+15x等于15