六年级数学下册解比例专项练习题105Word文档格式.docx
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0.5
57
122
—=—0.6:
x=0.15:
6x
1
0.4:
20=x:
70—:
1.5
2
2391
5xx5
7524
642x
x7:
x=3.5:
2
594
—0.6:
x=0.5:
100
58
106
—=—2:
2x
70:
80—:
x=3:
180
8
1561
3xx7
771.87
2—=—
880.8x
567
6=—:
—80:
x=0.8:
0.3
56
208
—=—70:
x=17.5:
9
5.6x
0.5:
5=x:
40—:
x=0.3:
120
5
3741
5xx2
671.47
3—=—
561.8x
x0.7:
x=0.35:
278
10=—:
—20:
x=100:
5
47
184
—=—0.2:
x=0.05:
7
1.6x
10:
70=x:
0.7—:
x=60:
12
1426
2xx7
111.28
4—=—
252.4x
x50:
x=25:
572
—60:
0.9
129
—=—30:
x=7.5:
8
2.8x
20:
3=x:
18
1971
330.83
5—=—
422.4x
493
—9:
x=0.2:
50
48
169
—=—40:
x=10:
40:
7=x:
1846
7xx7
761.25
650.8x
x9:
x=4.5:
565
7=—:
—0.8:
83
—=—5:
x=1.25:
3.2x
4
0.9:
8=x:
5—:
1721
2xx3
161.67
9—=—
850.4x
x3:
x=1.5:
474
—5:
x=50:
90
—=—0.9:
x=0.225:
4.4x
8:
9=x:
0.5—:
x=0.9:
150
1891
340.48
451x
x70:
x=35:
578
5=—:
—8:
x=4:
49
44
—=—0.7:
x=0.175:
2.4x
60:
6=x:
1856
2314
341.8x
x60:
x=30:
282
—6:
205
0.5=x:
9—:
1477
5xx8
131.86
842.2x
x0.4:
486
—0.2:
x=80:
125
—=—0.3:
x=0.075:
60—:
1.2
1985
3xx6
131.69
322.8x
297
8=—:
0.8
29
64
—=—9:
x=2.25:
9:
30=x:
0.8—:
4671
7xx2
111.84
821.6x
x6:
4
564
80
62
—=—6:
4x
2:
2622
3xx3
6813
7—=—
571.6x
593
142
50:
1=x:
1981
2xx2
130.48
422.6x
6
294
x=20:
37
186
—=—20:
x=5:
1.2x
60=x:
50—:
1492
2325
x5:
x=2.5:
299
4=—:
—70:
x=9:
0.4
38
4:
x=90:
1598
7417
8—=—
631.8x
x20:
398