人教版六年级数学下册解比例专项练习题62Word下载.docx
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x=0.3:
180
6
3581
—=——=—
7xx2
110.63
5—=—
361.2x
x3:
x=1.5:
8
596
8=—:
—0.6:
x=70:
7
47
83
—=—30:
x=7.5:
4.8x
2
20:
30=x:
0.5—:
x=30:
18
3
6691
7xx7
110.68
6—=—
761.4x
x5:
x=2.5:
3
574
—0.7:
x=6:
6
27
208
—=—9:
x=2.25:
5.2x
0.2:
8=x:
20—:
1.2
7
3571
5xx3
380.82
272x
x0.2:
x=0.1:
2
472
5=—:
x=1:
37
187
—=—0.7:
x=0.175:
0.3:
6=x:
4—:
1377
2xx6
111.86
481.6x
x7:
x=3.5:
578
10=—:
—4:
x=8:
0.8
49
166
—=—90:
x=22.5:
2x
80:
10=x:
5—:
15
6741
191.24
3—=—
382.2x
x60:
494
—3:
x=0.7:
0.5
204
—=—70:
x=17.5:
9—:
120
2993
3xx4
1118
550.4x
478
7=—:
—0.2:
50
162
—=—7:
x=1.75:
1.2x
0.4:
60=x:
0.7—:
x=3:
1985
120.88
331x
x30:
x=15:
466
0.2
26
142
—=—0.4:
1:
3=x:
x=0.6:
1934
2xx3
740.46
652x
x0.5:
x=0.25:
4=—:
—6:
x=5:
40
59
105
—=—0.8:
x=0.2:
5
70:
2=x:
12
3591
7xx3
741.27
653x
x80:
x=40:
366
—0.4:
x=2:
46
88
—=—20:
2.8x
7:
40=x:
0.3—:
x=9:
1.5
1263
2xx2
610.68
553x
577
0.9
185
4.4x
0.3=x:
3—:
1.8
8
1642
3xx3
130.82
2—=—
621.6x
x50:
x=25:
—80:
28
143
—=—3:
x=0.75:
9
6:
4=x:
80—:
x=60:
2683
110.86
581.8x
x0.6:
—70:
56
—=—0.2:
x=0.05:
4x
1=x:
0.8—:
x=0.9:
4
4895
7xx6
110.64
4—=—
822.2x
x0.3:
289
70
85
3.2x
5:
0.6—:
150
3831
161.27
451x
x40:
589
—9:
x=10:
1
123
50=x:
7—:
1791
2xx4
110.65
432.6x
265
—30:
0.7
127
6x
60—:
1976
2xx7
110.46
322.4x
x8:
x=4:
468
60
—=—0.9:
x=0.225: