48-3 x =16 5 x ×（5+1）=60 99 x =100 36÷ x=18 2 3 4 5
6 X －2
7 X=43 2X + 25 = 35 70%X + 20%X = 3.6 X ×53=20×41
7
8 9
10
11
x ÷6=12 56-2 x =20 4y+2=6 x+32=76 12
13
14
15
16
17
X ＋83X ＝121 5X －3×215＝75 32X ÷41＝12 25% + 10X = 5
4
18
19 20
21
22
16+8x=40 2x-8=8 4x-3×9=29 3x+6=18 23
24
25
26
6X ＋5 =13.4 834143=+X 3X=83
X - 15%X = 68 28
54-X=24 7X=49 126÷X=42 8x-3x=105 29
30
31
X ÷
72=167 X ＋87X=43 4X －6×3
2
=2 125 ÷X=310
32
33 34
35
36
2（x+3）=10 12x-9x=9 56x-50x=30 5x=15（x-5） 37
38
39
40
41
53 X = 722598 X = 61×5116 X ÷356=4526×25
13
4x －3 ×9 = 29 42
43 44
45
46
47
23y÷ 23=23 4x-20=0 80y+20=100-20y 78-5x=28 48
49
50
53
103X －21×32=4 21x + 61
x = 4 6X ＋5 =13.4 25 X-13 X=310
54
55
56
57
58
59
53x-90=16 2x+9x=11 12（y-1）=24 80÷ 5x=100 60
61
62
63
64
65
5X=
1915218X=154 X ÷54=2815 4χ－6＝38 32X ÷4
1
=12 66
67 68
69
70
71
19y+y=40 25-5x=15 79y+y=80 7x ÷ 8=6 72
73
74
75
76
X ÷
356=4526÷2513 X-0.25=414X =30% 53X=7225 98X=61×51
16 79
80 42x+28x=140 65x+35=100 9÷ （4x ）=1 20x=40 – 10x 81
82
83
84
85
4+0.7X=102
32X+21X=42 X+41X=105 X-8
3
X=400 86
87 88
89
80y-90=70÷ 30 78y+2y=160 88-4x=80-2x 65y-30=100 90
91
92
93
94
X-83X=400 X-0.125X=8 X 36 = 43
X+37 X=18
95
96
97
98
99
X ×( 16 + 38 )=1312 x －0.375x=65 x ×32+21=4×83 X －73
X ＝12
00
01
02
0.36×5- 34 x = 35 23 (x- 4.5) = 7 1
2 x- 25%x = 10 5 X －2.4×5＝8
03
04
05
06
07
79.4+X=95.5 2X+55=129 7 X=63 X-54.3=100
08
09
10
11
12
x:10=
41:31 0.4:x=1.2:2 4.212=x
3 21:51=41:x 13
14 15
16
17
0.8:4=x:8
43:x=3:12 1.25:0.25=x:1.6 92=x
8
18
19
20
x 36=3
54 x: 32=6: 2524
x 5.4=2.26 45:x=18:26
21
25
21x + 61x = 4 103X －21×32=4 204
1
=+x x 8)6.2(2=-x 26
27 28
29
30
0.612＝1.5x 34∶12＝x∶45 1112∶45＝2536∶x x∶114＝31
0.7∶12
32
33
34
35
36
10∶50＝x∶40 1.3∶x＝5.2∶20 x∶3.6＝6∶18 13∶1
20＝
37
16
9∶ x 38
39
40
41
42
2.8:4.2=x:9.6
10
1:x=81:41 2.8:4.2=x:9.6 x:24= 43:31
43
44
