六年级[上册]分数解方程练习题.doc
imanhua-天水景点
六年级 [ 上册 ]
分数解方程练习题
班级
25% + 10X =
姓名
4
成绩
X-15%X=68
X+
3
X=121
8
6X+ 5 =13.4
X÷
2
=
7
7 16
12
÷ X=
3
5 10
X
÷
6
=
26
×
13
35 45 25
5
5X-3×
5
=
5
21 7
3
X
1 3
4 4 8
X+
7
X=
3
8
4
3
X =
25 8
5
72 9
4
x
-3 × 9 = 29
114
2
X
÷
1
= 12
3
4
3X=
3
8
4X-6×
2
=2
3
X=
1
×
16
6 51
1
x
+
1
x
= 4
2 6
3
X-21×
2
=4
10 3
6X+ 5 =13.4
5X=
15
19
2
X÷
1
=12
3 4
X÷
6
=
26
÷
13
35 45 25
4+0.7X=102
X-
3
X=400
8
x 1 x 20
4
2 1 3
5
X-
3
X=
10
8
X=
4
21 15
3
X=
25
5 72
X-0.25=
1
4
2
X+
1
X=42
3 2
X-0.125X=8
214
2( x 2.6) 8
4χ-6= 38
X÷
4
=
15
5 28
8
X=
1
×
16
9 6 51
X
=30%
4
X+
1
X=105
4
36
=
3
X 4
3
X+ X=18
7
X× (
1
6
3 13
+)=
8 12
x- 0.375x=
5
6
2
1
3
x×
+
=4×
3 2 8
3
X-
X= 12
7
5 X-2.4×5=8
3
3
2
3 (x- 4.5) = 7
1
2 x- 25%x
= 10
0.36 ×5-
4
x = 5
4
20 x – 8.5= 1.5
x-
5
x -4=
21
x- 0.8x = 16+6
3
8
解:(
1)( 12 × 34
X+ 25%X=90
+ 12
× 23 )x= 83
( 9+ 8) x= 83
17x=83
x= 83
÷ 17
X-
7
X= 9
x= 851
( 2) 7x15 = 34 × 415 × 917
7x15 =985
314
x= 985 ÷ 715
x= 27119
(
3)( 15 × 13 + 15 × 25x=)20
( 5+ 6) x= 20
11x=20
x= 20 ÷ 11
x= 2011
(4)
2x-3x7 =6
11x7 = 6
x= 6÷ 117
360 ÷
[ (12+6)× 5]
288 ÷ [ (26-14)× 8]
500
×6-(50 ×2-80)
( 105 × 12 -635 )÷ 25
864 ÷
[ (27-23)× 12]
( 45+38 -16 )× 24
500-(
240+ 38 × 6)
[64 -( 87-42) ]
× 15
( 845- 15 × 3)÷ 1612 × [49(- 28)÷ 7]
450 ÷
[ (84-48] )÷ 12
( 58+37 )÷( 64- 9× 5)
95
÷(64-45 )
414
178- 145 ÷ 5× 6+42
812- 700 ÷( 9+31
× 11 )
85+14 ×( 14+208 ÷ 26 )
( 284+16 )×(
512- 8208 ÷ 18 )
120- 36 × 4÷ 18+35
(
58+37 )÷( 64- 9× 5)
(6.8- 6.8
× 0.55)
÷
8.5
0.12 × 4.8 ÷ 0.12 × 4.8
(
3.2 × 1.5+2.5 )÷ 1.6
6-1.6 ÷ 4=
5.38+7.85-5.37=
7.2
÷ 0.-81.2 × 5= -61.19
×3-0.43=
6.5×( 4.8- 1.2 × 4)=
5.8
×(3.87-0.13 ) +4.2 × 3.74
32.52- ( 6+9.728
÷ 3.2 )× 2.5
[ (7.1-5.6 )× 0.9-1.15] ÷ 2.5
5.4 ÷ [2.6
×3(.7-2.9 ) +0.62]
12 ×
6÷(12-7.2 )-6
12 × 6÷ 7.2-6
0.68 ×
1.9+0.32
× 1.9
( 58+370 )÷( 64-45 )
420+580- 64 × 21 ÷ 28
( 136+64 )×( 65- 345
÷ 23 )
514
48.10.15-
10.75
× 0.-45.7
388+(5000-1000)
158+262+138
375+219+381+225
5001 -247
-1021 -232
( 181+2564 ) +2719
378+44+114+242+222
276+228+353+219
(375+1034)+(966+125)
(2130+783+270)+1017
99+999+9999+99999
7755 -(2187+755)
2214+638+286
3065 -738 -1065
899+344
2357 -183 -317 -357
2365 -1086 - 214
497- 299
2370+1995
3999+498
1883
-398
12× 25
614
75× 24
138
×25×4
(13
×
125) ×(3×8)
(12+24+80)
× 50
704
×2525 × 32× 125
32 × (25+125) 88
×
125
102×7658
×98
178 × 101 -178
84 × 36+64 × 84
75 × 99+2 × 75
83× 102
- 83× 2
98 × 199
123 × 18 - 123 × 3+85 ×
123
50×(34 ×4)×3
25 ×(24+16 )
178 ×
99+178
79 × 42+79+79 × 57
7300 ÷ 25÷ 4
8100 ÷ 4÷ 75
16800 ÷ 120
30100 ÷ 2100
32000 ÷ 400
714
49700 ÷ 700
1248 ÷ 24
3150 ÷ 15
4800 ÷ 25
2356
-( 1356 -721 )
1235 -( 1780 -1665 )
75×
27+19 × 2 5
31 × 870+13 × 310
4× (25 ×
65+25 × 28)
( 181+2564 ) +2719
378+44+114+242+222
276+228+353+219
(375+1034)+(966+125)
(2130+783+270)+1017
99+999+9999+99755 -(2187+755)
2214+638+286
3065 - 738-1065
899+344
2357 -183 -317
-357 2365 -1086 -
214 497- 299 2370+1995
3999+498 1883
-398
814
12× 25 75
×
24
138
×25×4
(13
× 125) ×(3×8)
(12+24+80)
× 50
704
× 25
25× 32× 125
32 × (25+125)
88 × 125
102 × 76
58× 98
178 × 101 -178
84
× 36+64 × 84
75× 99+2 × 75 83
×
102
98 × 199
123 × 18 - 123 × 3+85
×
50×(34 ×4)×3
25 ×(24+16 )
178 ×
99+178
79 × 42+79+79 × 57
7300 ÷ 25÷ 4
8100 ÷ 4÷ 75
16800 ÷ 120
83×
2
914
-
123
30100 ÷ 2100
32000 ÷ 400
49700 ÷ 700
1248 ÷ 24
3150 ÷ 15
4800 ÷ 25
21500 ÷ 125
2356 -( 1356 -721 )
1235 -( 1780 -1665 )
75 × 27+19 × 25
31 × 870+13 × 310
4×
(25 × 65+25 × 28)
1 2x+3(9-x)=21
2x+3*9-3x=21
27-x=21
x=27-21
x=6
2. (1-25%)x=72
75%x=72
x=72 ÷ 75%
x=96
3.
x-40%x=3.6
1014
(1-40%)x=3.6
x=3.6
x=6
6.
2-﹙1/4+1/7﹚× 4/11
=2-11 / 28 ×
4/11
÷ 60%
=10/7
2x+3x=60
5x=60
x=12
3.6x-2.8x=12
0.8x=12
x=15
100x-x=198
99x=198
x=2
18x+2x=60( 问题里弄成 +60 了
20x=60
x=3
?)
1114
是等号吧
5x+6x=12.1
11x=12.1
x=1.1
6.6x-5x=8
1.6x=8
x=5
4x-x=24
3x=24
x=8
1.5x-x=1
0.5x=1
x=2
1.9x+0.4x=9.2
2.3x=9.2
x=4
25x-
5x=10 × 20-5× 20
20x=100
1214
x=5
80x-
40=(30x+40)
×2
80x-40=60x+80
20x=120
x=6
80x-3200=60x+1200
20x=4400
x=220
1.5-0.06 =1.44
0.75
÷ 15 =0.05,
0.4 × 0.8 0=.32,
420 ÷ 35 =12,
25 × 12 =300,
135 ÷ 0.5 =270
34 + 14
=1,
1314
3 - 23 =73,
34 - 12=
14
16 + 12 -16 =12,
7.5-(2.5+3.8)=1.2,
78 + 38 =54
310 +15 =12,
45 - 710
=110,
2 - 16 -13 =1.5
0.51 ÷ 17 =0.03,
32.8 +19 =51.8,
5.2 ÷ 1.3 4,=
1.6 ×
0.4 =0.64
4.9 × 0.7 3=.43,
1÷ 5=0.2,
6÷ 12 =0.5,
0.87 -0.49 =0.38
1414