人教版六年级数学下册解比例专项练习题111Word文件下载.docx
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0.2
48
168
—=—30:
x=7.5:
8
0.8x
5
40:
70=x:
3—:
x=60:
12
4
1251
5xx2
410.87
7—=—
562.8x
x0.4:
x=0.2:
9
469
5=—:
—60:
x=0.7:
40
46
188
—=—0.9:
x=0.225:
4.4x
7
30:
0.1=x:
30—:
x=30:
18
6
3251
5xx4
741.43
5—=—
632x
x4:
x=2:
575
6=—:
—0.5:
x=3:
26
149
—=—50:
x=12.5:
2x
0.4—:
180
6931
7xx4
111.63
841.6x
x8:
x=4:
564
—40:
0.6
27
128
1.2x
7:
7=x:
0.7—:
x=0.9:
4234
5xx3
610.45
550.8x
x30:
x=15:
7
374
10=—:
—5:
0.9
39
106
—=—0.6:
x=0.15:
6x
90=x:
0.6—:
150
2447
5xx8
510.43
8—=—
672.2x
3
567
7=—:
x=1:
109
—=—0.7:
x=0.175:
5
4.8x
0.3—:
x=6:
1891
3xx8
761.88
4—=—
871x
2
462
2=—:
—9:
x=0.3:
49
183
—=—5:
x=1.25:
10:
50=x:
20—:
2593
3xx2
110.87
451.6x
x0.7:
x=0.35:
598
8=—:
x=100:
10
29
45
—=—0.5:
x=0.125:
5.2x
0.2:
0.4=x:
40—:
6726
7xx5
3322
3—=—
420.4x
x2:
565
100
28
103
—=—80:
x=20:
3.2x
1:
0.8=x:
70—:
1.8
4671
7xx7
310.87
6—=—
240.4x
x0.5:
x=0.25:
266
—7:
x=0.4:
47
42
4x
0.5:
8—:
120
1581
2xx6
660.84
751.4x
x50:
x=25:
6
588
4=—:
44
2.4x
0.7:
30=x:
5329
7xx8
170.64
562.4x
x60:
498
—0.8:
0.7
47
—=—70:
x=17.5:
2.8x
90:
2
2xx4
740.48
852x
x7:
x=3.5:
395
—50:
60
—=—7:
x=1.75:
3.6x
0.5—:
x=0.6:
3
1481
941.49
851.4x
273
69
4:
2—:
15
4637
110.84
770.6x
x6:
284
—20:
—=—6:
x=1.5:
4—:
4965
5xx6
110.45
420.8x
595
—8:
20
59
185
0.4:
20=x:
1924
5xx5
210.44
340.4x