六年级数学下册解比例练习题大全78.docx
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六年级数学下册解比例练习题大全78
7
0.4:
3=x:
0.4—:
x=90:
1.2
6
1251
—=——=—
2xx3
361.64
x:
—=—:
4—=—
472.6x
111
—:
—=—:
x0.2:
x=0.1:
7
263
11
x:
9=—:
—80:
x=0.7:
20
28
87
—=—0.5:
x=0.125:
4
0.8x
3
0.6:
10=x:
0.7—:
x=0.9:
1.2
2
2725
—=——=—
5xx6
610.45
x:
—=—:
9—=—
781.4x
111
—:
—=—:
x2:
x=1:
7
278
11
x:
10=—:
—0.9:
x=0.7:
0.9
46
162
—=—0.5:
x=0.125:
6
4x
1
6:
0.3=x:
0.4—:
x=0.6:
180
7
1329
—=——=—
3xx8
311.47
x:
—=—:
3—=—
261.4x
111
—:
—=—:
x0.9:
x=0.45:
3
288
11
x:
7=—:
—8:
x=0.2:
0.6
49
166
—=—7:
x=1.75:
7
3.2x
1
7:
7=x:
0.5—:
x=90:
180
5
1929
—=——=—
2xx8
111.45
x:
—=—:
4—=—
272.4x
111
—:
—=—:
x0.4:
x=0.2:
3
466
11
x:
3=—:
—9:
x=100:
2
58
128
—=—0.9:
x=0.225:
2
4x
1
1:
8=x:
70—:
x=6:
120
2
1453
—=——=—
2xx4
271.64
x:
—=—:
3—=—
362.4x
111
—:
—=—:
x0.8:
x=0.4:
2
493
11
x:
9=—:
—50:
x=0.8:
0.7
26
69
—=—0.9:
x=0.225:
2
4x
1
20:
1=x:
60—:
x=6:
1.5
4
1371
—=——=—
5xx2
310.68
x:
—=—:
3—=—
460.4x
111
—:
—=—:
x90:
x=45:
9
486
11
x:
7=—:
—0.3:
x=100:
0.8
36
127
—=—90:
x=22.5:
5
6x
1
90:
0.4=x:
50—:
x=60:
1.8
8
2667
—=——=—
3xx8
421.89
x:
—=—:
3—=—
330.6x
111
—:
—=—:
x0.9:
x=0.45:
3
399
11
x:
4=—:
—40:
x=10:
7
56
189
—=—0.4:
x=0.1:
5
1.2x
4
20:
0.5=x:
9—:
x=30:
15
3
1596
—=——=—
2xx7
121.44
x:
—=—:
3—=—
732.8x
111
—:
—=—:
x2:
x=1:
4
395
11
x:
6=—:
—90:
x=9:
0.4
48
166
—=—6:
x=1.5:
3
2.4x
6
5:
2=x:
7—:
x=0.6:
1.5
7
1352
—=——=—
2xx3
570.87
x:
—=—:
7—=—
681.6x
111
—:
—=—:
x3:
x=1.5:
5
277
11
x:
2=—:
—40:
x=60:
5
46
162
—=—4:
x=1:
5
4x
1
60:
0.7=x:
50—:
x=6:
180
2
1561
—=——=—
3xx2
1417
x:
—=—:
4—=—
651x
111
—:
—=—:
x20:
x=10:
7
268
11
x:
5=—:
—6:
x=1:
0.7
36
189
—=—3:
x=0.75:
2
2.8x
6
50:
10=x:
3—:
x=90:
1.2
5
1853
—=——=—
3xx2
311.47
x:
—=—:
3—=—
472.4x
111
—:
—=—:
x2:
x=1:
8
579
11
x:
6=—:
—40:
x=0.7:
10
48
42
—=—4:
x=1:
7
4.8x
1
50:
0.2=x:
0.2—:
x=60:
18
2
1971
—=——=—
3xx2
8312
x:
—=—:
7—=—
721.8x
111
—:
—=—:
x5:
x=2.5:
7
284
11
x:
5=—:
—4:
x=7:
8
57
148
—=—0.2:
x=0.05:
8
5.6x
4
1:
7=x:
0.9—:
x=0.6:
1.2
5
1665
—=——=—
3xx6
171.24
x:
—=—:
6—=—
281.8x
111
—:
—=—:
x40:
x=20:
5
399
11
x:
8=—:
—2:
x=80:
0.4
58
142
—=—2:
x=0.5:
9
1.6x
1
10:
20=x:
50—:
x=0.9:
180
2
2439
—=——=—
3xx8
160.87
x:
—=—:
2—=—
670.8x
111
—:
—=—:
x5:
x=2.5:
5
263
11
x:
8=—:
—0.8:
x=0.3:
80
29
189
—=—0.9:
x=0.225:
5
3.2x
1
50:
0.2=x:
7—:
x=9:
120
2
2521
—=——=—
3xx2
111.84
x:
—=—:
2—=—
760.4x
111
—:
—=—:
x20:
x=10:
7
596
11
x:
6=—:
—8:
x=0.4:
10
26
44
—=—2:
x=0.5:
4
0.8x
1
2:
0.8=x:
2—:
x=0.6:
18
5
5754
—=——=—
7xx5
810.65
x:
—=—:
5—=—
780.8x
111
—:
—=—:
x0.9:
x=0.45:
4
597
11
x:
5=—:
—4:
x=0.9:
20
38
165
—=—50:
x=12.5:
8
2x
1
0.4:
0.4=x:
20—:
x=0.6:
120
2
3337
—=——=—
5xx6
191.27
x:
—=—:
2—=—
681.4x
111
—:
—=—:
x9:
x=4.5:
3
476