[86+(x-9)+89+(x+4)+(x+6)]÷5=x这道方程怎么解?
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[86+(x-9)+89+(x+4)+(x+6)]÷5=x这道方程怎么解?[86+(x-9)+89+(x+4)+(x+6)]÷5=x这道方程怎么解?[86+(x-9)+89+(x+4)+(x+6)]÷
[86+(x-9)+89+(x+4)+(x+6)]÷5=x这道方程怎么解?
[86+(x-9)+89+(x+4)+(x+6)]÷5=x这道方程怎么解?
[86+(x-9)+89+(x+4)+(x+6)]÷5=x这道方程怎么解?
[86+x-9+89+x+4+x+6]=5x
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
难倒爱因斯坦的九宫格X 7 X | X 8 1 | X X X |X X X | X 4 X | 7 5 9 |X X 5 | 7 X 9 | X 1 4 |5 X X | X X 8 | 3 9 X |3 9 6 | 4 X 7 | X X 2 |X 8 7 | 9 X X | X X X |4 X X | 6 X 5 | X X X | X X 4 | X X 1 |2 X X | X X X | X X X | X 3 X | X X X |X 6
[86+(x-9)+89+(x+4)+(x+6)]÷5=x这道方程怎么解
[86+(x-9)+89+(x+4)+(x+6)]÷5=x这道方程怎么解?
x+2x+3x+4x+5x+6x+7x+8x+9x=9x-8x-7x-6x-5x-4x-3x-2x-x.x等于多少?
如下9*9宫图如何填x x x 1 x x x 2 9x x 5 x x x x x 4x 6 8 x x x x x xx x x 7 x x 5 x xx 2 x x 6 x x 8 xx x 3 x x 9 x x xx x x x 5 x 1 6 x 4 x x x 3 x x x x 7 x x x x 2 x x x
解九宫格题目(X为未知数)9 X 2 X 7 X 8 X XX X 4 X X 9 X 6 X1 3 X 5 X X X X 24 X X 8 5 X X 1 XX 8 9 4 X 1 6 7 XX 1 X X 3 6 X X 88 X X X X 2 X 3 6X 5 X 6 X X 9 X XX X 7 X 4 X 2 X 1
x-4/x-5 - x-5/x-6=x-7/x-8 - x-8/x-9求x=?
4x+9x=13x
9x-x+4x=( )
x*9+x*36+4x*12
解决数独问题x 1 x 7 x x x 3 xx x x x 4 x 2 x x9 x 3 6 x 8 7 x 58 x x x x 9 x x xx x 2 x 5 x x x 4x 3 x x x x 6 x xx x x x x x x x 26 x x x x x x x 7x 5 4 1 7 x 9 8 x这道题我用了很多办法都没有头绪,请帮忙的朋友把解题的思
4x^-4x+1=x^+6x+9
4x-4x+1=x+6x+9
9x-(4x-[5x-(x-2)]}
化简9x-{4x-[5x-(8x-2)]}
(x-3)(x+3)(x^4+9X^2+81)
4x-7x=9-5x x=?