六年级数学下册解比例专项练习题65Word文档格式.docx
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18
5
5492
—=——=—
7xx3
4112
9—=—
580.6x
x0.9:
x=0.45:
6
386
7=—:
—0.8:
x=4:
4
27
107
—=—0.2:
x=0.05:
5
4x
1
30:
80=x:
50—:
x=0.9:
150
4
3521
5xx8
151.85
3—=—
262x
x30:
x=15:
7
465
8=—:
—8:
x=30:
8
189
—=—8:
x=2:
0.2:
9=x:
1.5
3
1565
2xx6
1414
352.6x
x40:
x=20:
367
5=—:
—0.3:
x=80:
100
124
—=—0.5:
x=0.125:
4.4x
6:
0.7=x:
60—:
15
1551
7xx7
281.47
7—=—
372.2x
264
3=—:
—70:
x=6:
50
37
44
4.8x
0.7:
20=x:
x=3:
1491
2xx3
111.42
242.8x
x8:
392
6=—:
—0.2:
x=0.6:
0.8
38
5.2x
7
40=x:
120
1766
5xx5
650.88
540.4x
x2:
x=1:
272
—0.4:
104
—=—7:
x=1.75:
2.8x
0.9:
2=x:
0.7—:
12
2
1743
3xx2
4228
5—=—
332.2x
x70:
x=35:
574
—6:
0.9
46
184
—=—0.6:
x=0.15:
2x
0.6:
70=x:
0.9—:
1.8
2341
7xx8
111.27
2—=—
283x
x0.4:
x=0.2:
578
—60:
x=100:
9
—=—5:
x=1.25:
40—:
180
1981
2xx7
141.63
8—=—
352.2x
588
—4:
x=7:
56
66
—=—0.4:
x=0.1:
5.6x
3:
0.1=x:
0.8—:
3491
641.87
552.4x
x5:
x=2.5:
263
x=50:
48
69
—=—90:
x=22.5:
9:
10=x:
0.6—:
2256
711.69
631x
x80:
x=40:
266
—50:
47
204
—=—80:
0.5:
8—:
1531
7118
882.8x
x0.3:
268
9=—:
—5:
60
36
—=—2:
x=0.5:
0.8:
3xx7
151.28
860.8x
496
80
59
—=—3:
x=0.75:
9
80:
8
1781
971.84
861x
x60:
396
x=9:
26
208
1.6x
30—:
2281
741.68
630.8x
x0.2:
575
—0.5:
46
40:
0.2=x:
x=90:
1641
210.87
363x
297
2=—:
—90:
206
—=—6:
x=1.5:
2.4x