1.3x-8x50的解方程怎么解
x的平方减8x等于50？
x的平方减8x等于50？
x2-8x20
x2-8x-200
(x 2)(x-10)0 （十字分解法）
x-2 或 x10
55道解方程？
3X-(1/2 1/4)7/12
6.6-5X3/4-4X
1.1X 2.25.5-3.3X
(0.5 x) x9.8÷2
2(X X 0.5)9.8
25000 x6x
3200450 5X X
X-0.8X6
12x-8x4.8
7.5*2X15
1.2x81.6
x 5.69.4
52－x ＝15
91÷x ＝1.3
X 8.310.7
15x ＝3
3x－8＝16
7(x-2)2x 3
3x 92718(x-2)270
12x300-4x
7x 5.37.4
3x÷54.8
30÷x 2585
1.4×8-2x6
6x-12.8×30.06
410-3x170
3(x 0.5)21
0.5x 843
6x-3x18
1.5x 183x
5×3-x÷28
0.273÷x0.35
1.8x0.972
x÷0.75690
9x-405
x÷5 921
48-27 5x31
10.5 x 2156
x 2x 1878
(200-x)÷530
(x-140)÷704
0.1(x 6)3.3×0.4
4(x-5.6)1.6
7(6.5 x)87.5
(27.5-3.5)÷x4
x 19.825.8
5.6x33.6
9.8-x3.8
75.6÷x12.6
5x 12.532.3
5(x 8)102
x 3x 1070
3(x 3)50-x 3
5x 1560
3.5-5x2
0.3×7 4x12.5
x÷1.5-1.250.75
4x-1.3×62.6
20-9x1.2×6.25
6x 12.815.8
150×2 3x690
2x-204
3x 618
2(2.8 x)10.4
(x-3)÷27.5
13.2x 9x33.3
3xx 100
x 4.87.2
6x 1848
3(x 2.1)10.5
12x-9x8.7
13(x 5)169
2x-9734.2
3.4x-4826.8
42x 25x134
1.5(x 1.6)3.6
2(x-3)5.8
65x 742
9x 4×2.5＝91
4.2 x 2.5x＝134
10.5x 6.5x51
89x-43x9.2
5x-45100
1.2x-0.5x6.3