六年级数学下册解比例练习题大全81文档格式.docx
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111
—:
x0.6:
x=0.3:
9
584
11
2=—:
—0.8:
x=20:
30
37
184
—=—0.3:
x=0.075:
3
1.6x
0.9:
30=x:
0.5—:
x=9:
1.8
1262
2xx3
131.82
240.8x
x2:
x=1:
7
295
3=—:
—0.9:
x=0.9:
100
58
126
—=—70:
x=17.5:
5
4.4x
3:
0.3=x:
5—:
12
6
4991
411.85
5—=—
572x
x0.7:
x=0.35:
498
10=—:
—80:
x=2:
46
163
2x
1
4:
20=x:
80—:
x=60:
1.2
2
3941
5xx2
110.67
221.2x
x30:
x=15:
4
276
5=—:
—7:
x=4:
38
142
—=—2:
x=0.5:
6x
4
7:
40=x:
0.8—:
3
1331
3xx3
490.47
4—=—
581.2x
x0.9:
x=0.45:
2
492
x=6:
49
103
—=—0.8:
x=0.2:
5.6x
60=x:
60—:
x=0.6:
180
6324
170.62
6—=—
281.6x
x4:
6
382
x=70:
27
89
0.6:
5=x:
4—:
18
1224
210.67
352.2x
x8:
396
—0.7:
x=10:
59
45
—=—0.5:
x=0.125:
5.2x
0.2=x:
50—:
5
1474
4723
561x
x9:
x=4.5:
587
—90:
29
86
—=—0.7:
x=0.175:
0.7:
x=3:
4821
7xx4
141.25
3—=—
753x
x50:
x=25:
x=0.4:
70
39
84
—=—0.2:
x=0.05:
2.8x