解比例及解方程练习题-(1)
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解比例练习题
解比例:
x:10=4
1
:3
1 0.4:x=1.2:
2 4.212=x
3
21:51=41:x 0.8:4=x:8 4
3
:x=3:12
92=x 8 x 36=3
54 x: 3
2
=6: 25
24
x 5.4=2.26 45:x=18:26
x:24= 4
3
:3
1 8:x=5
4:4
3 85:61=x: 12
1
0.6∶4=2.4∶x 6∶x =15∶13 0.612=1.5
x
34∶12=x ∶45 1112∶45=2536∶x x ∶114=0.7∶1
2
10∶50=x ∶40 1.3∶x =5.2∶20 x ∶3.6=6∶18
13∶120=169∶ x 4.60.2=8x 38=x 64
解方程
X - 27 X=43
2X + 25 = 35 70%X + 20%X = 3.6
X ×5
3=20×4
1 25% + 10X = 5
4 X - 15%X = 68
X +8
3X =121 5X -3×215=75 32X ÷4
1
=12
6X +5 =13.4 834143=+X 3X=83
X ÷72=167 X +87X=43 4X -6×3
2
=2
125 ÷X=310 53 X = 7225 98 X = 61×5116
X ÷ 356=4526×2513 4x -3 ×9 = 29 21x + 6
1
x = 4
103X -21×32=4 204
1
=+x x 8)6.2(2=-x
6X +5 =13.4 25 X-13 X=3
10 4χ-6=38
5X=1915 218X=154 X ÷54=28
15
32X ÷41=12 53X=7225 98X=61×51
16
X ÷356=4526÷2513 X-0.25=41 4
X
=30%
4+0.7X=102 3
2
X+2
1X=42 X+4
1X=105
X-83X=400 X-0.125X=8 X 36 = 4
3
X+37 X=18 X ×( 16 + 38 )=1312 x -0.375x=65
x ×3
2+2
1=4×8
3 X -7
3X =12 5 X -2.4×5=8
0.36×5- 34 x = 35 23 (x- 4.5) = 7 1
2 x- 25%x = 10
x- 0.8x = 16+6 20 x – 8.5= 1.5 x- 4
5 x -4= 21
X +25%X=90 X -37 X= 89 X - 27 X=43
2X + 25 = 35 70%X + 20%X = 3.6 X ×53=20×4
1
25% + 10X = 5
4
X - 15%X = 68 X +8
3X =121 5X -3×215=75 32X ÷4
1
=12 6X +5 =13.4
83
4143=+X 3X=83 X ÷72=167
X +87X=43 4X -6×32
=2 125 ÷X=310
53 X = 7225 98 X = 61×5116 X ÷ 356=4526×25
13
4x -3 ×9 = 29 21x + 61x = 4
103X -21×3
2
=4 204
1
=+
x x 8)6.2(2=-x 6X +5 =13.4
25 X-13 X=310 4χ-6=38 5X=1915
218X=154 X ÷54=2815 32X ÷4
1
=12
53X=7225 98X=61×5116 X ÷356=4526÷25
13
X-0.25=4
1
4
X
=30% 4+0.7X=102
32X+21X=42 X+41X=105 X-8
3
X=400
X-0.125X=8 X 36 = 43
X+37 X=18
X ×( 16 + 38 )=1312 x -0.375x=65 x ×32+21=4×83
X -73
X =12 5 X -2.4×5=8 0.36×5- 34 x = 35
23 (x- 4.5) = 7 1
2 x- 25%x = 10 X +25%X=90
x- 0.8x = 16+6 20 x – 8.5= 1.5 x- 4
5 x -4= 21
X -37 X= 89 X - 27 X=4
3
2X + 25 = 35
70%X + 20%X = 3.6 X ×5
3
=20×4
1 25% + 10X = 5
4
X - 15%X = 68 X +8
3X =121 5X -3×215=7
5
83
4143=+X 3X=83 X ÷7
2=167 X +87X=43 4X -6×3
2
=2 125 ÷X=310 53 X = 7225 98 X = 61×51
16 X ÷ 356=4526×2513 4x -3 ×9 = 29 21x + 61
x = 4