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数的改写.(1)把下面的分数化成小数,小数化成分数.925=1140=0.28=0.035=(2)把下列分数中的假分数化成带分数,带分数化成假分数.176=6415=567=2512=

题目详情


9
25
=
11
40
=
0.28=
0.035=
(2)把下列分数中的假分数化成带分数,带分数化成假分数.
17
6
=
64
15
=
5
6
7
=
2
5
12
=
9
25
992525
11
40
=
0.28=
0.035=
(2)把下列分数中的假分数化成带分数,带分数化成假分数.
17
6
=
64
15
=
5
6
7
=
2
5
12
=
11
40
11114040



17
6
=
64
15
=
5
6
7
=
2
5
12
=
17
6
171766
64
15
=
5
6
7
=
2
5
12
=
64
15
64641515
5
6
7
=
2
5
12
=
6
7
6677
2
5
12
=
5
12
551212
▼优质解答
答案和解析
(1)
9
25
=9÷25=0.36;
11
40
=11÷40=0.275;
0.28=
28
100
=
7
25

0.035=
35
1000
=
7
200


(2)
17
6
=17÷6=2
5
6

64
15
=64÷15=4
4
15

5
6
7
=
5×7+6
7
=
41
6

2
5
12
=
12×2+5
12
=
29
12
9
25
999252525=9÷25=0.36;
11
40
=11÷40=0.275;
0.28=
28
100
=
7
25

0.035=
35
1000
=
7
200


(2)
17
6
=17÷6=2
5
6

64
15
=64÷15=4
4
15

5
6
7
=
5×7+6
7
=
41
6

2
5
12
=
12×2+5
12
=
29
12
11
40
111111404040=11÷40=0.275;
0.28=
28
100
=
7
25

0.035=
35
1000
=
7
200


(2)
17
6
=17÷6=2
5
6

64
15
=64÷15=4
4
15

5
6
7
=
5×7+6
7
=
41
6

2
5
12
=
12×2+5
12
=
29
12
28
100
282828100100100=
7
25

0.035=
35
1000
=
7
200


(2)
17
6
=17÷6=2
5
6

64
15
=64÷15=4
4
15

5
6
7
=
5×7+6
7
=
41
6

2
5
12
=
12×2+5
12
=
29
12
7
25
777252525;
0.035=
35
1000
=
7
200


(2)
17
6
=17÷6=2
5
6

64
15
=64÷15=4
4
15

5
6
7
=
5×7+6
7
=
41
6

2
5
12
=
12×2+5
12
=
29
12
35
1000
353535100010001000=
7
200


(2)
17
6
=17÷6=2
5
6

64
15
=64÷15=4
4
15

5
6
7
=
5×7+6
7
=
41
6

2
5
12
=
12×2+5
12
=
29
12
7
200
777200200200.

(2)
17
6
=17÷6=2
5
6

64
15
=64÷15=4
4
15

5
6
7
=
5×7+6
7
=
41
6

2
5
12
=
12×2+5
12
=
29
12
17
6
171717666=17÷6=2
5
6

64
15
=64÷15=4
4
15

5
6
7
=
5×7+6
7
=
41
6

2
5
12
=
12×2+5
12
=
29
12
5
6
555666;
64
15
=64÷15=4
4
15

5
6
7
=
5×7+6
7
=
41
6

2
5
12
=
12×2+5
12
=
29
12
64
15
646464151515=64÷15=4
4
15

5
6
7
=
5×7+6
7
=
41
6

2
5
12
=
12×2+5
12
=
29
12
÷15=4
4
15
444151515;
5
6
7
=
5×7+6
7
=
41
6

2
5
12
=
12×2+5
12
=
29
12
5
6
7
666777=
5×7+6
7
=
41
6

2
5
12
=
12×2+5
12
=
29
12
5×7+6
7
5×7+65×7+65×7+6777=
41
6

2
5
12
=
12×2+5
12
=
29
12
41
6
414141666;
2
5
12
=
12×2+5
12
=
29
12
2
5
12
555121212=
12×2+5
12
=
29
12
12×2+5
12
12×2+512×2+512×2+5121212=
29
12
29
12
292929121212.