六年级数学下册解比例专项练习题101.docx
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六年级数学下册解比例专项练习题101
511.82
x:
—=—:
3—=—
640.6x
111
—:
—=—:
x0.3:
x=0.15:
3
374
11
x:
8=—:
—0.3:
x=0.7:
8
27
146
—=—0.8:
x=0.2:
5
4x
6
6:
0.2=x:
3—:
x=6:
18
5
1651
—=——=—
2xx7
1514
x:
—=—:
6—=—
542.8x
111
—:
—=—:
x6:
x=3:
3
375
11
x:
4=—:
—90:
x=0.2:
90
58
62
—=—0.3:
x=0.075:
5
5.2x
2
7:
1=x:
3—:
x=6:
1.5
3
1296
—=——=—
2xx5
190.67
x:
—=—:
3—=—
781.6x
111
—:
—=—:
x5:
x=2.5:
8
589
11
x:
4=—:
—3:
x=100:
0.9
39
63
—=—20:
x=5:
4
2x
7
0.3:
1=x:
3—:
x=60:
12
6
4994
—=——=—
5xx3
111.29
x:
—=—:
5—=—
781.4x
111
—:
—=—:
x20:
x=10:
8
379
11
x:
4=—:
—0.3:
x=50:
0.9
59
46
—=—0.7:
x=0.175:
7
1.6x
3
0.9:
0.4=x:
7—:
x=6:
1.8
4
4361
—=——=—
5xx6
781.44
x:
—=—:
3—=—
870.4x
111
—:
—=—:
x0.5:
x=0.25:
6
562
11
x:
9=—:
—2:
x=1:
0.3
27
106
—=—8:
x=2:
8
4.8x
1
0.9:
7=x:
7—:
x=9:
150
5
3551
—=——=—
5xx8
611.25
x:
—=—:
6—=—
521x
111
—:
—=—:
x40:
x=20:
5
489
11
x:
10=—:
—60:
x=0.7:
30
28
63
—=—0.5:
x=0.125:
2
4x
3
3:
3=x:
9—:
x=3:
120
2
2724
—=——=—
7xx3
8612
x:
—=—:
8—=—
752.4x
111
—:
—=—:
x0.2:
x=0.1:
8
265
11
x:
7=—:
—3:
x=7:
0.5
47
208
—=—80:
x=20:
2
3.2x
5
0.1:
30=x:
30—:
x=0.6:
180
4
4298
—=——=—
5xx7
610.45
x:
—=—:
5—=—
722.4x
111
—:
—=—:
x9:
x=4.5:
9
397
11
x:
10=—:
—30:
x=50:
2
46
184
—=—0.2:
x=0.05:
3
5.2x
4
0.3:
50=x:
0.7—:
x=30:
180
3
5344
—=——=—
7xx5
110.45
x:
—=—:
9—=—
280.4x
111
—:
—=—:
x90:
x=45:
2
272
11
x:
6=—:
—80:
x=100:
0.9
59
67
—=—8:
x=2:
6
2x
2
9:
6=x:
90—:
x=0.3:
150
3
1771
—=——=—
2xx3
211.29
x:
—=—:
3—=—
330.8x
111
—:
—=—:
x30:
x=15:
4
269
11
x:
2=—:
—30:
x=70:
5
28
44
—=—3:
x=0.75:
5
4x
4
9:
0.6=x:
0.2—:
x=3:
1.8
5
1528
—=——=—
2xx7
630.62
x:
—=—:
6—=—
740.4x
111
—:
—=—:
x0.4:
x=0.2:
3
586
11
x:
6=—:
—0.7:
x=6:
50
48
124
—=—4:
x=1:
2
4.8x
5
1:
0.2=x:
6—:
x=0.3:
180
4
4422
—=——=—
7xx3
110.86
x:
—=—:
6—=—
530.4x
111
—:
—=—:
x0.3:
x=0.15:
4
594
11
x:
5=—:
—0.5:
x=90:
6
28
86
—=—0.6:
x=0.15:
3
4.8x
1
60:
0.6=x:
0.7—:
x=0.9:
18
4
2596
—=——=—
7xx5
171.22
x:
—=—:
4—=—
680.6x
111
—:
—=—:
x50:
x=25:
9
466
11
x:
3=—:
—2:
x=0.7:
0.8
46
86
—=—3:
x=0.75:
7
6x
5
0.3:
3=x:
80—:
x=6:
120
6
1381
—=——=—
7xx2
5114
x:
—=—:
4—=—
420.6x
111
—:
—=—:
x0.4:
x=0.2:
8
469
11
x:
5=—:
—3:
x=40:
0.5
57
84
—=—20:
x=5:
6
2x
5
9:
50=x:
0.3—:
x=60:
12
4
2861
—=——=—
3xx3
3224
x:
—=—:
4—=—
232.8x
111
—:
—=—:
x0.3:
x=0.15:
4
498
11
x:
7=—:
—6:
x=1:
2
27
102
—=—30:
x=7.5:
8
5.6x
2
0.5:
10=x:
80—:
x=9:
1.8
3
4851
—=——=—
5xx4
131.49
x:
—=—:
7—=—
420.6x
111
—:
—=—:
x0.2:
x=0.1:
8
376
11
x:
5=—:
—0.5:
x=0.9:
0.8
39
164
—=—60:
x=15:
6
6x
1
3:
8=x:
9—:
x=0.3:
1.2
7
1557
—=——=—
5xx8
110.66
x:
—=—:
8—=—
741.2x
111
—:
—=—:
x0.3:
x=0.15:
3
392
11
x:
7=—:
—3:
x=8:
100
48
106
—=—7:
x=1.75:
8
5.6x