下陆中学初一年级数学备课组
一元一次方程计算训练( 要求:认真、仔细、准确、灵活)
1、 2(x 1) 4
2
、 ( x 1) 1 1
2 2
11
3
、 1 3 8 x
2 15 2x
4、 x 1 x 4
2
5
、 x
5
11
(3 2x) 1
6、 x
2
5
x 1
2 3 2
7、 5 3x 8x 1
8
、 x
2
19x 2
6
2 09 、 x 3(1 2x) 9
10、 2 x 3( x 1) 13 11 、 2( y 2) 3(4y 1) 9(1 y)
、 x -1)-3(3 x -1)-2(5 x -1)+1=0 5(2
13
、 0.4 0.6( x 3)
1 3
3 ( x 7) 5
14、 3( x 1) 2( x 2) 2x 3
15 、 3 x x 8
2
3
1
16 、 x
1 x x 2
3
6
1
17、 2 x 1 2x 5 6x 7
1
18
、 x 2
2 3 6
2 x x 2 2 3
19、 23 1 x
3 2 4
1 3 5 4x 2
20
、
1
1 [ 1 x 1 6] 4 1
1
2 3 4 5
下陆中学初一年级数学备课组
21、
3x 12
2
3x 2 2x 3 10 5
22
、 x 1 x 2 4 x 1
3
6
2
23、 ( x 15)
15
1 (x 7) 2 3
1
24
、
x
0.7
0.17 0.2x
0.03
1
25、
x 40.2
x 3 0.5
1.6
26、 0.1x 0.2
0.02
x 1 3 0.5
( 27)54-7Χ= 5
( 28)6Χ-10= 8
(29)8- Χ= 2
8
33
4
( 30)3- 2 Χ= 9
1
( )
31
2(
Χ- =
1)
4
(32) 2(6
-Χ =
2)
8
5 10
(33) 5-3Χ=8Χ+1 (34) 2( -Χ2)+ 2= Χ+1 (35) 3-Χ=2-5( Χ- 1)
(36) 3 =Χ5(32-Χ ) ( 37) 7(4-X )= 9(X - 4) (38)128-5(2X+3)=73
( 39) 1.7X+ 4.8+ 0.3X= 7.8 (40) 4X÷0.24=100
(41)3(X+1 ) ÷( 2X–4) = 6
(42)3X+ 7X +10 = 90 (43)3(X - 12)+ 23 = 35 (44)7X-8=2X+27
下陆中学初一年级数学备课组
(45)5X -18 = 3–2X
(46)(7X - 4)+3(X - 2)= 2X +6 (47)80÷X=20
( 48)12X+ 8X- 12=28(49) 3( 2X- 1)+ 10=37 ( 50)1.6X +3.4X-X -5=27
( 51)2(3X -4)+( 4- X )= 4X (52) 3( X+2)÷5=( X+2 )
2
3
( 53)(3X+ 5) ÷2=( 5X- 9) ÷3
(54)X-
7 X= 4
(55)2X +
2 =31
3 (56) 70%X + 20%X = 3.6
(57) X× =20×
5
5
5
4
( 58)25% + 10X = 4
(
)+ 3
X X = 121
5
8
( 5 = 5 2
1 )
= 12
21 7
3
4
( 63)6X +5 =13.43
1 3
( 64)
X
( 65 )
3X=3
(66)X÷2 = 7
4
4
8
8
7 16(67)X+
7
3 ( )
- ×2
12
3
3 8 X= 4 68 4X
6 3 =2
(69)
5
÷X= 10
(70) 5 X = 2572
下陆中学初一年级数学备课组
(45)5X -18 = 3–2X
(46)(7X - 4)+3(X - 2)= 2X +6 (47)80÷X=20
( 48)12X+ 8X- 12=28(49) 3( 2X- 1)+ 10=37 ( 50)1.6X +3.4X-X -5=27
( 51)2(3X -4)+( 4- X )= 4X (52) 3( X+2)÷5=( X+2 )
2
3
( 53)(3X+ 5) ÷2=( 5X- 9) ÷3
(54)X-
7 X= 4
(55)2X +
2 =31
3 (56) 70%X + 20%X = 3.6
(57) X× =20×
5
5
5
4
( 58)25% + 10X = 4
(
)+ 3
X X = 121
5
8
( 5 = 5 2
1 )
= 12
21 7
3
4
( 63)6X +5 =13.43
1 3
( 64)
X
( 65 )
3X=3
(66)X÷2 = 7
4
4
8
8
7 16(67)X+
7
3 ( )
- ×2
12
3
3 8 X= 4 68 4X
6 3 =2
(69)
5
÷X= 10
(70) 5 X = 2572
下陆中学初一年级数学备课组
(45)5X -18 = 3–2X
(46)(7X - 4)+3(X - 2)= 2X +6 (47)80÷X=20
( 48)12X+ 8X- 12=28(49) 3( 2X- 1)+ 10=37 ( 50)1.6X +3.4X-X -5=27
( 51)2(3X -4)+( 4- X )= 4X (52) 3( X+2)÷5=( X+2 )
2
3
( 53)(3X+ 5) ÷2=( 5X- 9) ÷3
(54)X-
7 X= 4
(55)2X +
2 =31
3 (56) 70%X + 20%X = 3.6
(57) X× =20×
5
5
5
4
( 58)25% + 10X = 4
(
)+ 3
X X = 121
5
8
( 5 = 5 2
1 )
= 12
21 7
3
4
( 63)6X +5 =13.43
1 3
( 64)
X
( 65 )
3X=3
(66)X÷2 = 7
4
4
8
8
7 16(67)X+
7
3 ( )
- ×2
12
3
3 8 X= 4 68 4X
6 3 =2
(69)
5
÷X= 10
(70) 5 X = 2572
下陆中学初一年级数学备课组
(45)5X -18 = 3–2X
(46)(7X - 4)+3(X - 2)= 2X +6 (47)80÷X=20
( 48)12X+ 8X- 12=28(49) 3( 2X- 1)+ 10=37 ( 50)1.6X +3.4X-X -5=27
( 51)2(3X -4)+( 4- X )= 4X (52) 3( X+2)÷5=( X+2 )
2
3
( 53)(3X+ 5) ÷2=( 5X- 9) ÷3
(54)X-
7 X= 4
(55)2X +
2 =31
3 (56) 70%X + 20%X = 3.6
(57) X× =20×
5
5
5
4
( 58)25% + 10X = 4
(
)+ 3
X X = 121
5
8
( 5 = 5 2
1 )
= 12
21 7
3
4
( 63)6X +5 =13.43
1 3
( 64)
X
( 65 )
3X=3
(66)X÷2 = 7
4
4
8
8
7 16(67)X+
7
3 ( )
- ×2
12
3
3 8 X= 4 68 4X
6 3 =2
(69)
5
÷X= 10
(70) 5 X = 2572
下陆中学初一年级数学备课组
(45)5X -18 = 3–2X
(46)(7X - 4)+3(X - 2)= 2X +6 (47)80÷X=20
( 48)12X+ 8X- 12=28(49) 3( 2X- 1)+ 10=37 ( 50)1.6X +3.4X-X -5=27
( 51)2(3X -4)+( 4- X )= 4X (52) 3( X+2)÷5=( X+2 )
2
3
( 53)(3X+ 5) ÷2=( 5X- 9) ÷3
(54)X-
7 X= 4
(55)2X +
2 =31
3 (56) 70%X + 20%X = 3.6
(57) X× =20×
5
5
5
4
( 58)25% + 10X = 4
(
)+ 3
X X = 121
5
8
( 5 = 5 2
1 )
= 12
21 7
3
4
( 63)6X +5 =13.43
1 3
( 64)
X
( 65 )
3X=3
(66)X÷2 = 7
4
4
8
8
7 16(67)X+
7
3 ( )
- ×2
12
3
3 8 X= 4 68 4X
6 3 =2
(69)
5
÷X= 10
(70) 5 X = 2572
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