六年级数学下册解比例专项练习题22Word文件下载.docx
《六年级数学下册解比例专项练习题22Word文件下载.docx》由会员分享,可在线阅读,更多相关《六年级数学下册解比例专项练习题22Word文件下载.docx(14页珍藏版)》请在冰豆网上搜索。
111
—:
x0.3:
x=0.15:
5
385
2=—:
—5:
x=3:
3
49
123
—=—0.9:
x=0.225:
6
5.6x
7
0.7:
0.2=x:
70—:
x=9:
180
8
1876
2xx5
310.64
6—=—
230.4x
x50:
x=25:
4
463
8=—:
—40:
x=50:
8
28
186
—=—7:
x=1.75:
2x
50:
8=x:
60—:
15
5
1277
2xx6
151.62
9—=—
661.6x
x0.9:
x=0.45:
577
9=—:
—80:
80
36
64
—=—60:
x=15:
6x
0.2:
0.4=x:
0.3—:
x=6:
12
2
2565
3xx4
520.88
430.6x
x90:
x=45:
273
—9:
x=0.8:
70
29
183
—=—30:
x=7.5:
3.6x
10:
4=x:
20—:
1897
2xx8
411.49
2—=—
342.4x
x20:
x=10:
464
7=—:
x=60:
56
149
—=—9:
x=2.25:
1:
40=x:
9—:
x=0.3:
1.5
6
1473
2xx2
1316
421.2x
x2:
x=1:
2
383
—0.5:
x=0.9:
90
48
207
—=—8:
x=2:
2.8x
8:
40—:
1.8
1333
3xx2
7112
7—=—
823x
x3:
x=1.5:
9
488
—30:
x=100:
0.9
69
0.6=x:
3
4435
7xx6
2325
8—=—
320.6x
x80:
x=40:
277
6=—:
x=8:
48
—=—40:
3:
20=x:
0.5—:
1781
4713
5—=—
362.4x
x6:
473
—60:
x=0.6:
39
85
—=—70:
x=17.5:
3.2x
9
20:
9=x:
6—:
x=30:
3936
5xx7
311.42
222.2x
462
—20:
0.6
38
145
—=—0.5:
x=0.125:
4.8x
40:
0.8=x:
150
1244
111.42
482.4x
365
—2:
108
—=—0.3:
x=0.075:
60=x:
50—:
2896
7xx7
390.82
281.2x
283
—90:
10
46
185
5.2x
0.4:
0.9=x:
0.6—:
1471
151.48
643x
x8:
x=4:
484
—6:
47
169
—=—3:
x=0.75:
2774
3xx3
811.25
741.6x
297
83
—=—0.6:
4.4x
120
1773
7xx2
110.69
783x
x9:
x=4.5:
0.4
37
88
5:
2357
3xx6
131.24
540.4x
499
60
82
—=—80:
x=20:
2.4x
0.1=x:
90—:
3297
5xx8