人教版六年级数学下册解比例专项练习题117Word格式.docx
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—:
x8:
x=4:
2
394
11
7=—:
—70:
0.5
57
67
—=—6:
x=1.5:
8
4.8x
5
80:
10=x:
8—:
x=90:
120
4
1521
2xx4
110.68
2—=—
731.6x
x30:
x=15:
275
9=—:
—90:
x=0.4:
5
39
85
—=—0.8:
x=0.2:
3
4x
2:
9=x:
5—:
x=60:
1.8
1661
2xx8
150.86
6—=—
462.6x
x40:
x=20:
4
469
—0.2:
x=8:
6
37
127
—=—4:
x=1:
5.2x
7
5:
0.8=x:
60—:
150
8
1971
5xx3
190.82
8—=—
482x
x70:
x=35:
482
8=—:
—0.5:
x=5:
100
149
—=—40:
x=10:
5.6x
6
6:
30=x:
0.2—:
x=0.3:
18
2331
5xx5
1623
9—=—
471.2x
x3:
363
3=—:
—0.4:
x=2:
49
64
—=—20:
3.6x
3
0.6:
9—:
x=9:
4351
7xx7
110.43
4—=—
522.4x
x20:
367
5=—:
—0.3:
x=0.6:
142
—=—0.5:
x=0.125:
9
20=x:
180
1591
3xx6
2119
332.4x
x7:
x=3.5:
376
—7:
30
48
206
1.6x
3:
60=x:
30—:
x=3:
4322
7xx3
181.66
x0.4:
565
x=0.7:
28
108
—=—0.9:
x=0.225:
0.8:
0.4—:
x=30:
1.2
2551
5xx6
170.89
x50:
x=25:
286
40
27
102
—=—2:
x=0.5:
2x
0.4