人教版六年级数学下册解比例专项练习题7Word下载.docx
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111
—:
x50:
x=25:
2
392
3=—:
—6:
x=70:
40
37
162
—=—2:
x=0.5:
9
4.4x
1
2:
60=x:
0.3—:
x=0.3:
150
2
2946
5xx7
1129
6—=—
821x
x0.4:
x=0.2:
7
276
8=—:
46
106
—=—50:
x=12.5:
0.8x
0.6:
0.4=x:
0.6—:
x=3:
15
2441
7xx2
181.82
3—=—
871.8x
x0.7:
x=0.35:
299
—80:
10
59
64
—=—7:
x=1.75:
3
3.6x
40=x:
0.7—:
x=60:
18
4
1924
3xx3
1118
560.4x
x8:
x=4:
4
283
—4:
x=80:
80
26
66
—=—0.9:
x=0.225:
1.2x
7
0.5:
80—:
1.8
1761
2xx2
1413
5—=—
331x
x30:
x=15:
588
7=—:
—0.9:
56
203
—=—20:
x=5:
2.8x
0.3=x:
40—:
6761
1729
8—=—
282.6x
484
—0.7:
x=50:
60
124
—=—0.7:
x=0.175:
0.3:
4=x:
30—:
x=9:
1461
3xx7
851.42
761.6x
x6:
562
5=—:
—60:
20
206
—=—40:
x=10:
5:
0.8=x:
70—:
2993
3xx2
190.49
681.8x
x9:
x=4.5:
494
0.7
57
184
—=—0.6:
x=0.15:
1.6x
40:
7=x:
20—:
x=30:
1233
3xx4
111.83
270.6x
x0.6:
292
6=—:
0.8
39
6x
9
0.7:
1.2
8
3781
5xx3
511.86
4—=—
463x
478
—5:
x=7:
87
—=—90:
x=22.5:
30:
70=x:
0.5—:
180
2471
3xx5
351.24
461.8x
x60:
284
—50:
x=90:
187
2x
0.9:
3=x:
3—:
3
1321
7xx8
1114
561x
267
10=—:
—40:
90
47
149
8
4x
6:
0.7=x:
0.2—:
7xx4
1618
872x
x20:
—3:
x=100:
126
—=—8:
x=2:
3:
4996
7xx5
710.82
663x
367
2=—:
—8:
84
—=—0.2:
x=0.05:
6
0.5=x:
0.4—:
x=0.9:
1731
2xx6
110.65
721.2x
x0.9:
x=0.45:
263
x=0.4:
—=—5:
x=1.25:
0.1:
80=x:
4—:
1247
2xx8
110.48
352.2x
x80:
x=40:
569
9=—:
—70:
168
9:
90=x:
1861
2xx5