人教版六年级数学下册解比例专项练习题51Word文档下载推荐.docx
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—:
x0.6:
9
477
11
4=—:
—60:
x=0.7:
1
36
105
—=—50:
x=12.5:
4x
1
80:
8=x:
0.2—:
x=90:
180
2
3671
7xx3
321.22
233x
x8:
x=4:
589
7=—:
—50:
x=7:
50
47
142
—=—9:
x=2.25:
7
2x
0.9:
0.8=x:
6—:
x=3:
12
7
1481
3xx5
111.87
8—=—
320.4x
x40:
x=20:
585
8=—:
—5:
5
38
82
—=—0.2:
x=0.05:
0.8x
9
90:
90—:
x=0.6:
150
8
1526
2xx5
150.46
9—=—
362.8x
x9:
x=4.5:
6
484
2=—:
—80:
183
3
5.6x
90=x:
0.4—:
x=6:
15
4231
210.47
3—=—
381x
x3:
x=1.5:
588
9=—:
—8:
10
49
149
—=—80:
6x
3:
30=x:
3—:
x=60:
4634
5xx5
1126
6—=—
642.6x
398
—30:
100
147
—=—5:
x=1.25:
6
0.4:
0.7=x:
2—:
x=0.9:
5
5231
7xx5
111.82
2—=—
722.8x
4
595
—6:
x=70:
0.5
108
—=—0.6:
x=0.15:
4=x:
4—:
4776
5xx7
510.68
5—=—
441.4x
x7:
x=3.5:
476
3=—:
—2:
x=50:
2
39
164
3.6x
50=x:
x=9:
1.2
1561
2xx3
761.45
871.6x
x80:
x=40:
362
64
—=—40:
x=10:
10