人教版六年级数学下册解比例专项练习题5Word文件下载.docx
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6
38
103
—=—7:
x=1.75:
9
4x
1
6:
60=x:
5—:
x=0.3:
180
2
1531
—=——=—
2xx3
111.43
8—=—
440.6x
x2:
x=1:
3
499
8=—:
—2:
x=20:
100
26
184
—=—0.4:
x=0.1:
4
2.4x
6
0.5:
4=x:
20—:
x=9:
150
7
2631
3xx3
681.2x
x40:
2
298
9=—:
—9:
x=0.4:
0.5
59
143
—=—6:
x=1.5:
8
4.4x
0.6:
0.8=x:
70—:
x=0.9:
1.5
3
1397
2xx8
111.86
2—=—
321x
296
2=—:
—60:
0.7
39
46
—=—9:
x=2.25:
3.6x
5:
0.1=x:
0.2—:
x=30:
18
4691
5xx7
810.46
3—=—
780.4x
x0.9:
x=0.45:
568
—80:
147
—=—0.7:
x=0.175:
3.2x
90:
0.9=x:
60—:
1.2
3641
5xx2
140.87
630.8x
x4:
x=2:
368
5=—:
—0.8:
1
209
—=—0.9:
x=0.225:
0.8x
1=x:
0.5—:
4
2362
611.88
4—=—
782.4x
x60:
566
185
—=—0.5:
x=0.125:
6x
0.4=x:
30—:
8
4943
7xx2
111.68
6—=—
530.4x
468
—0.5:
x=3:
48
167
5.6x
0.1:
6—:
x=0.6:
1891
7xx3
160.62
871x
x0.5:
x=0.25:
399
—0.3:
x=4:
56
67
1.2x
8:
3=x:
40—:
12
4291
41