六年级数学下册解比例专项练习题68Word格式文档下载.docx
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26
129
—=—0.7:
x=0.175:
8
6x
1
0.7:
0.9=x:
50—:
x=0.9:
120
7
1622
—=——=—
2xx3
110.66
7—=—
351.8x
396
5=—:
—50:
x=0.7:
0.3
27
208
—=—0.5:
x=0.125:
4x
0.3:
90=x:
30—:
x=90:
1.2
3
1888
2xx7
661.25
9—=—
573x
x7:
x=3.5:
3
472
10=—:
—60:
x=0.5:
6
29
42
—=—0.6:
x=0.15:
0.8x
9:
40=x:
x=9:
150
5
1651
560.84
3—=—
471.2x
x0.6:
x=0.3:
266
9=—:
—0.9:
50
38
166
—=—0.4:
x=0.1:
4
2.4x
40:
0.6=x:
3—:
18
2
5472
7xx3
760.49
871x
x4:
x=2:
562
2=—:
—0.3:
x=0.4:
10
64
—=—0.3:
x=0.075:
9
30:
8=x:
7—:
x=6:
1251
2xx4
410.66
551x
x50:
x=25:
379
6=—:
—0.8:
0.2
58
124
6:
0.2=x:
0.8—:
x=60:
2421
3xx2
1926
4—=—
882.6x
x8:
x=4:
277
8=—:
—8:
x=0.6:
48
103
—=—8:
4.4x
80:
0.5=x:
1.5
1551
5xx8
561.22
451.2x
294
—6:
x=40:
37
—=—7:
x=1.75:
1.6x
6
5:
1=x:
80—:
x=3:
15
1343
5xx4
340.48
432.8x
x5:
x=2.5:
473
—0.4:
x=5:
0.7
49
65
—=—90:
x=22.5:
0.9:
8—:
1981
4