(完整版)小升初解方程复习题.doc.docx
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3
(1)χ +2.4 χ =6
5
(2)3.5:χ =5:4.2
(3)1.8 -χχ =2.4
10 2.5
(4)=
x 0.8
(5)6 ×3- 1.8χ=7.2
1 (6)17 - 5χ=2.4+3
5
x 1.2
(7)=
1 3 (8)χ-χ=
48
5
(9)12.6×-2χ=8
6
x 1.5 (10)=
1.20.6
311 (11)×-χ=
525
2
(12)χ+50%=42
3
(13)4 χ- 13=31
1 (14)4.5+8 χ=27
4 52
1 (15)
2 χ+4.
3 ×3=14
2
32 (16)χ×(1- )= 1
83
(17)χ-1
χ=
3
48
1
(18) 3 ÷4χ= 2.5
2
(19)x
=
1.5
0.46
23
(20) 1.6:χ=:
510(22) x: 1
7
=
1
:
1
9203(23) 4χ+ 7.1=12.5(24)χ: 0.6=
1
: 4
3
( 25)
2
:
3
=
7
: χ
379
(26) 0.3 χ- 2=9.1
x0.6
(27)=
7 3.5
(21) 3χ-16×3= 102
1x- 1 = 1
(28)
248
(29) χ:1=1
:1(36)3-
1
χ=1
248425 (30)1: χ=1:1(37)2χ-1χ+1=
2 2483253
(31)3 χ+1χ=22(38)3:3
=χ:12
41345
(32)5:5= 0.3: χ(39) χ-1
χ=7
147210
(33)131 -χ= 89.23
(40) χ: =12:3
4
1
(34):0.25 = 80% : χ
3(41)2.4χ- 0.45 ×2=0.3
(35)4 +χ7.1= 12.511
(42) :=χ:0.1
48
(43)6.3 -5χ=4.121
(50)χ-χ+1.2=3.4
32
(44)1.25:5=0.75: χ(51)4:6=15: χ
13132 (45):χ= :6(52):=χ:
24243
3
(46)×2.5-χ=0.6
5
15
(47)χ-χ=
612
1 1 6
(48): χ= :
3 5 7
x0.1
(49)=
10 2