1/4X+1/2X=5/6

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1/4X+1/2X=5/6
1/4X+1/2X=5/6

1/4X+1/2X=5/6
专家来讲,
1/4X+1/2X=5/6
3X＋6X＝10
9X＝10
X＝10÷9
X＝10/9

10/9

1/4X+2/4X=5/6
3/4X =5/6
X=5/6÷3/4
x =5/6×4/3
x= 10/9

1/2X=2/4X
1/4X+1/2X=3/4X=5/6
4X*5=3*6
X=18/20=9/10

4/3X=6/5
X=10/9
求求你，选我吧

1/4X+1/2X=5/6
1/4x+2/4x=5/6
3/4x=5/6
x=5/6÷3/4
x=5/6×4/3
x=20/18化简
x=10/9

通分啊
1/4x+1/2x=5/6
2/8x+4/8x=5/6
3/4x=5/6
x=10/9

*-----------------------------------------------*| 6 4 X | 8 X X | X X 5 || X X X | X X X | X 7 8 || X X X | X X X | X X X ||---------------+---------------+--------------- || X X X | X X X | 5 1 X || X X X | X 6 X | X X X || 8 X X | 3 5 X | 2 X X || x+2/x+1-x+4/x+3=x+6/x+5-x+8/x+7 x=? 1+x+x^2+x^3+x^4+x^5+x^6+x^7+x^8+x^9+x^10+x^11+x^12=97.8x+x^2+x^3+x^4+x^5+x^6+x^7+x^8+x^9+x^10+x^11+x^12=97.8 好多年没有用过过数学公式了 想不起来怎么算了 想知道 X值是多少 x^6-x^5+x^4-x^2+x-1 已知x=2π+1求 |x-1|+|x-2|+|x-3|+|x-4|+|x-5|+|x-6|+|x-7|+|x-8|+|x-9|+|x-10| 已知x=2π+1.求(X-1)+(X-2)+(X-3)+(X-4)+(X-5)+(X-6)+(X-7)+(X-8)+(X-9)+(X-10) 如果1+x+x^2+x^3=0,求x+x^2+X^3+x^4+x^5+x^6+x^7+x^8的值, 1+x+x^2+x^3+x^4+x^5+x^6+x^7+x^8+x^9+x^10+x^11=17.7这个方程怎么样求解? (4x+2)/x+(4x-22)/(x-5)=(x-6)/(x-4)+(7x+9)/(x+1) 求一个数独答案X X X 9 X X X 8 2 X 6 3 X X 1 4 X 99 X 8 X X X X X XX X X 6 7 X 3 X XX 4 6 X 5 X 2 9 XX X 7 X 2 3 X X XX X X X X X 7 X 17 X 4 3 X X 6 2 X6 3 X X X 7 X X X 解方程 x+2/x+1+x+8/x+7=x+6/x+5+x+4/x+3 解方程：2x+4x+6x...+100x=1-(x+3x+5x+...+99x) (x-1)(x-2)(x-3)(x-4)=(x+5)(x+6)(x+7)求X等于几? x-2/x-1+x-8/x-7=x-4/x-3+x-6/x-5 (X+2)/(X+1)-(X+4)/(X+3)=(X+6)/(X+5)-(X+8)/(X+7) 解方程 (x+2)/(x+1) - (x+4)/(x+3)=(x+6)/(x+5)-(x+8)/(x+7) 1x+2x+3x+4x+5x+6x+7x…+99x=100 x+2/x+1-x+4/x+3=x+6/x+5-x+8/x+7