人教版六年级数学下册解比例专项练习题32Word下载.docx
《人教版六年级数学下册解比例专项练习题32Word下载.docx》由会员分享,可在线阅读,更多相关《人教版六年级数学下册解比例专项练习题32Word下载.docx(14页珍藏版)》请在冰豆网上搜索。
x=60:
18
2
1986
—=——=—
5xx5
341.22
8—=—
432.6x
x30:
x=15:
6
398
5=—:
—0.3:
x=0.8:
100
58
169
—=—7:
x=1.75:
4x
50:
50=x:
0.2—:
1.8
4
3366
7xx7
141.84
6—=—
631x
x0.8:
x=0.4:
5
395
—70:
x=0.6:
50
26
88
—=—60:
1.6x
7
9:
2=x:
50—:
120
8
1741
2xx7
830.45
4—=—
720.4x
x0.2:
x=0.1:
268
3=—:
x=5:
0.5
57
184
—=—0.7:
x=0.175:
7
1
1:
4=x:
0.6—:
x=6:
150
1441
2xx2
111.28
623x
x90:
x=45:
389
2=—:
—9:
x=40:
29
—=—0.2:
x=0.05:
4.8x
70:
5=x:
60—:
15
1296
711.83
862.2x
x8:
x=4:
9
572
9=—:
—4:
x=20:
28
124
—=—0.3:
x=0.075:
8
20=x:
0.5—:
x=0.9:
1258
150.63
842.8x
x0.5:
x=0.25:
282
10=—:
38
49
5.2x
20:
0.6=x:
0.7—:
5
1833
7xx2
511.62
7—=—
621.2x
462
7=—:
x=7:
205
2.4x
80:
30=x:
20—:
x=3:
6921
7xx6
510.44
9—=—
421.8x
x3:
x=1.5:
294
—5:
20
165
—=—2:
x=0.5:
4
5.6x
6
0.3:
3=x:
0.8—:
3527
5xx8
310.48
221.2x
372
6=—:
x=8:
206
—=—0.6:
x=0.15:
x=30:
4491
5xx2
611.29
720.8x
x50:
x=25:
292
x=50:
0.4
39
128
3.2x
60:
90=x:
0.4—:
1.2
3835
811.62
780.6x
592
107
—=—4:
x=1:
2.8x
0.1:
3348
5xx7
110.45
821.6x
x0.7:
x=0.35:
482
—80:
x=2:
0.8
59
162
90—:
180
1496
2xx5
551.86
642.4x
x9:
x=4.5:
494
40
164
1.2x
0.7:
9—:
1.5
2371
3xx2
1117
672.6x
x7:
x=3.5:
496
—0.9:
x=100:
47
—=—5:
x=1.25:
5:
40=x:
40—:
1562
5xx3
611.24
751.4x
x60:
263
—0.4:
1
27
143
—=—0.5:
x=0.125:
0.8:
x=0.3:
6785
1124
350.8x
x0.6:
587
—20:
0.6
46
—=—3:
x=0.75: