一元一次解方程计算题汇1
政治权利和自由-中华传统故事
一、解方程(等式的性质)20分
x23x
3x1.3x5x2.7x12364
x12x
553x
x51
53x8x1
7x32x
x3x1.24.85x
3x74x6x2
11x642x1009x
x78x9x34x
2xx31.52x
0.5x0.76.51.3x
4x6x0.5x0.3
x
2
5
x1
x6
3
5
x3
3
2
x
2
3
x1
xxxx
2
4
8
16
x
4
1
2
x
2
3
4
x2x1
2
3
x
二、解方程(去括号)30分
2(x1)4
10(x1)5
(x3)5x9
3(x2)1x(2x1)
5(x2)2(5x1)
2(x1)(x2)3(4x)
4x32(x1)1
(x1)2(x1)13x
2(x2)6(4x1)3(1x)
4(x2)3(5x1)9(1x)
12(2x3)3(2x1)
(x1)2(x1)13x
4x3(20x)6x7(9x)
2(x2)(x3)
2(x4)2x7(x1)
2x(5x16)32(3x4)
3(x2)14x(2x1)
4x2(x2)12(x4)
2(x2)3(4x1)9(1x)
2(y2)3(4y1)9(1y)
4x3(20x)6x7(9x)
2{3[4(5x1)8]20}71
x2[x3(x4)5]3{2x[x8(x4)]}2
1
2
x
1
2
(x1)
2
3
(x1)
2x
1
1
2
2
x
2
(x1)
3
(x1)
1
1
1
1
2
x1
3
4
5
6
<
br>
4
=1
1
2
(
1
2
x1)11
6(
11
2
x4)2x7(
3
x1)
1
5
x
1
2
(32x)1
2
2
3
x4
3
2
|x+5|=5
三、解方程(去分母)50分
1
6<
br>(3x6)
2
5
x3
5y1
6
7
3
1
2
(x1)
x1
6
1
2x1
3
10x1
6
2x1
41
x
x1x
2
2
2
3
5x
3
2x3
5
2
2x
3
2x1
6
1
x10
3
x6
4
0.1x
0.2x
0.5
10.3x
0.2
1
53x
2
35x
3
x3
0.2
2x5
0.3
1.6
2x1x1
4
2
2
y4
3
y52
y2
2
y1y2
2
2
5
x1
4
12
x3
6
x1x
3
1
5
x1
3
12
x1
5
;
x2
3
x2
4
;
1x
4
1
x1
2
x1
3
13
2x
2
5x13x
4
12x
2
3
5x19x11x
6
8
3
2x1x
3
2
6
1
3x22x12x
2
1
1
4
5
3x
2x1x2
2
2
5
x
x1x2
2
2
3
x21
2
(2x
2
)
4x15x5
3
6
3x
x1x12x1
2
4
3
x2x32x
5
10
5
3<
br>30
2(x2)5(
3
x3)
6
2
7x15x1
4
3x2
2
2
4
0.89x1.33x5x1
1.2
0.
2
0.3
x1x4
2
3
2
1
2
x
9x2
6
20
1.88x1.33x5x
1.2
2
0.4
0
.3
0
x
x4
x
3
2
5
x
4
0.1x
0.27x0.18
0.20.04
1
x5x112x4
x4
x5
x3
x2
532
4
8x3
11
32
x
x1x
3
1
2
y1
2
y
3
3y1
6
y
x23
2
x2
4
1
2
6
1
3
x4
0.2
2.5
x3
0.05
x3000
6
x
4
1060
4
5
5
4
x4
5x10
0.1x0.2
<
br>
0.1
x2
x4
5
(x5)
x2
2
0.1x0.90.2x
0.03
-
0.7
1
46x
0.01
-6.5=
0.0
22x
0.02
-7.5