67x十54x
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x十x十x十y十y=54?x十x十y十y=46?x,y各等于多少?x十x十x十y十y=54?x十x十y十y=46?x,y各等于多少?x十x十x十y十y=54?x十x十y十y=46?x,y各等于多少?&
(1十0.23十0.45)x(0.45十o.67十0.89)一(1十0.45十0.67十0.89x(0.23十0.45)(1十0.23十0.45)x(0.45十o.67十0.89)一(1十0.45十0
8×十9x十10x十16x8×十9x十10x十16x8×十9x十10x十16x43x
x十1x十6十x怎么?x十1x十6十x怎么?x十1x十6十x怎么?3x+6
64十67十70十73十76二5x二怎么作64十67十70十73十76二5x二怎么作64十67十70十73十76二5x二怎么作64和76的平均值是70,67和73的平均值是70,所以左边等于5个70相
64十67十7o十73十76=5x二求解答64十67十7o十73十76=5x二求解答64十67十7o十73十76=5x二求解答64十67十7o十73十76=5x5x=350x=70
x十24十x=34x十24十x=34x十24十x=342x等于10.x等于5=552x＝10x=52x=34-242x=10x=5希望能帮到你O(∩_∩)O求采纳！！
X.(X十1)x(X十2)x(x十3)=360X.(X十1)x(X十2)x(x十3)=360X.(X十1)x(X十2)x(x十3)=360前面x.什么意思
x十5十x十6…=1000x十5十x十6…=1000x十5十x十6…=10002x+11=10002x=1000-112x=989x=989÷2x=494.5
(x十k)(x十k十1)十四分之一(x十k)(x十k十1)十四分之一(x十k)(x十k十1)十四分之一(x十k)(x十k十1)十四分之一=1/4(1+2k+2x)^2
18=(?)十(?)x(?)18=(?)十(?)x(?)18=(?)十(?)x(?)0+3×6
2(x十2)2(x十2)2(x十2)1
3十x十x=5x,3十x十x=5x,3十x十x=5x,不对
(x+12)X(x十12)=xXx十360(x+12)X(x十12)=xXx十360(x+12)X(x十12)=xXx十360(x+12)x(x+12)=xx+360x(x+12)+12x+12x12
3x十9x十X=26.3x十9x十X=26.3x十9x十X=26.12X+X=26.2613X=26.26X=2.0213X=26.26X=2.02
x的平方十x(x十4)=30,x的平方十x(x十4)=30,x的平方十x(x十4)=30,x+x+4x=30有会的吗
x十x十x二8.4怎么解x十x十x二8.4怎么解x十x十x二8.4怎么解3x=8.4x=2.8
X十X十3/1一X二24X十X十3/1一X二24X十X十3/1一X二24x=21
已知1十x十x^2十x^3=0,求x十x^2十x^3十x^4+x^5十x^6+x^7十x^8的值已知1十x十x^2十x^3=0,求x十x^2十x^3十x^4+x^5十x^6+x^7十x^8的值已知1十
1十10十X＝1十10十X＝1十10十X＝11＋X