人教版六年级数学下册解比例专项练习题69Word文档格式.docx
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0.7
27
63
—=—2:
x=0.5:
4x
1
0.4:
4=x:
8—:
x=0.3:
150
7
3531
5xx5
3115
6—=—
241.8x
x9:
x=4.5:
6
395
9=—:
—9:
x=0.4:
30
46
102
—=—6:
x=1.5:
3
1.6x
6
0.7:
9=x:
5—:
x=3:
1.8
3841
5xx7
491.46
8—=—
581.4x
x2:
x=1:
268
3=—:
—0.9:
x=40:
8
26
45
—=—20:
x=5:
5
90=x:
7—:
x=0.6:
2221
3xx3
331.87
242.4x
x8:
x=4:
577
—2:
x=0.9:
70
59
65
—=—80:
x=20:
2x
40:
0.4=x:
50—:
12
1994
3xx5
111.87
741x
x5:
x=2.5:
466
8=—:
—3:
x=9:
58
205
5.2x
2
1:
20=x:
70—:
4231
110.65
4—=—
372x
x20:
x=10:
366
x=60:
1
38
85
0.8x
3:
5=x:
0.2—:
6931
7xx6
1122
3—=—
452.4x
277
100
56
165
—=—0.9:
x=0.225:
9
2.4x
8
6:
8=x:
1.5
1796
2xx7
1225
332x
394
x=90:
0.4
48
187
—=—70:
x=17.5:
50:
90—:
1363
2xx4
5122
452.6x
x0.9:
x=0.45:
276
4=—:
—6:
39
66
—=—40:
7:
1=x:
3—:
2645
3xx6
311.65
2—=—
432.6x
486
5=—:
10
206
—=—9:
x=2.25:
7
6x
0.9:
6=x:
0.4—:
180
1851
3xx7
1115
332.8x
x0.3:
x=0.15:
299
x=30:
90
147
5
0.7=x:
0.7—:
120
1941
2xx3
121.83
431.2x
x40:
583
—0.8:
50
105
—=—8:
x=2:
2.8x
0.5:
50=x:
1.2
2738
741.66
7—=—
850.8x
569
2=—:
—8:
x=0.2:
0.2
29
60=x:
6—:
4971
5xx2
1812
9—=—
471.8x
x0.4:
596
80
—=—60:
10:
0.3=x:
1961
150.82
862.4x
4
363
—7:
x=100:
0.9
—=—7:
x=1.75:
4.8x
0.2:
1439
2xx8
1513
361x
x0.7:
x=0.35:
495
—80:
36
125
—=—30:
x=7.5:
70=x:
0.9—:
1992
1128
822.8x
298