六年级解方程及解比例练习题
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六年级解方程及解比例练习题
4.2-4x =1.85
3
x =20×4
1 5x -3×21
5
=75 x - 15% x = 68
53 x = 7225 0.24x -1.8=4.2 98x = 61×51
16
103 x -21×32
=4 32x ÷4
1=12 3.6x ÷2=2.16
204
1
=+
x x 8)6.2(2=-x 6 x +5 =13.4 3x +5×0.3=4.5
52x -31x = 103
4 x -6=38
5 x = 1915 21
8x = 154 x ÷54
=2815 53x = 72
25 21x + 61x = 4 x -73 x =12
21x -25% x =10 x +87x = 43
98x =61×51
16 4x -3 ×9 = 29
x -0.25=41 4+0.7x =102 32x +21 x =42
834143=+x
4x -6×3
2
=2 512÷x =10
3
9x ÷0.7=9 8.8+4 x =40
32 x ÷41=12 3x = 83 x ÷72=16
7
70%X+20%X = 3.6
x +83x =121 25% + 10 x = 54 x - 0.8 x = 16+6 x -5
4 x -4= 21
20 x – 8.5= 1.5 x +25% x =90 (x -32) ×5=115 3
2+x =4
3
x -7
2x =4
3 2x + 52=5
3 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
1.25:0.25=x:1.6 92=x 8 x 36=3
54 x: 3
2
=6: 2524
x 5.4=2
.26 45:x=18:26
2.8:4.2=x:9.6 101:x=81:4
1
2.8:4.2=x:9.6
x:24= 43:31 8:x=54:43 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 +83X =121 5X -3×21
5
=75 32X ÷41=12
6X +5 =13.4 83
4143=+X 3X=83
练习二 姓名: 班级:
X ÷72
=167 X +87X=43 4X -6×3
2
=2
125 ÷X=310 53 X = 7225 98 X = 61×5116
X ÷ 356=45
26
×2513 4x -3 ×9 = 29 21x + 61x = 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 218
X=15
4 X ÷54=2815
32X ÷41=12 53X=7225 98X=61×51
16 X ÷356=45
26
÷2513 X-0.25=41 4X =30%
4+0.7X=102 32
X+21X=42 X+4
1X=105
X-8
3X=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 -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×
41
25% + 10X = 5
4 X - 15%X = 68 X +8
3X =121 5X -3×21
5
=75 32X ÷41=12 6X +5 =13.4