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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 |
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 |
17 |
6 |
64 |
15 |
5
6 |
7 |
2
5 |
12 |
17 |
6 |
64 |
15 |
5
6 |
7 |
2
5 |
12 |
64 |
15 |
5
6 |
7 |
2
5 |
12 |
6 |
7 |
2
5 |
12 |
5 |
12 |
▼优质解答
答案和解析
(1)
=9÷25=0.36;
=11÷40=0.275;
0.28=
=
;
0.035=
=
.
(2)
=17÷6=2
;
=64÷15=4
;
5
=
=
;
2
=
=
.
9 9 925 25 25=9÷25=0.36;
=11÷40=0.275;
0.28=
=
;
0.035=
=
.
(2)
=17÷6=2
;
=64÷15=4
;
5
=
=
;
2
=
=
.
11 11 1140 40 40=11÷40=0.275;
0.28=
=
;
0.035=
=
.
(2)
=17÷6=2
;
=64÷15=4
;
5
=
=
;
2
=
=
.
28 28 28100 100 100=
;
0.035=
=
.
(2)
=17÷6=2
;
=64÷15=4
;
5
=
=
;
2
=
=
.
7 7 725 25 25;
0.035=
=
.
(2)
=17÷6=2
;
=64÷15=4
;
5
=
=
;
2
=
=
.
35 35 351000 1000 1000=
.
(2)
=17÷6=2
;
=64÷15=4
;
5
=
=
;
2
=
=
.
7 7 7200 200 200.
(2)
=17÷6=2
;
=64÷15=4
;
5
=
=
;
2
=
=
.
17 17 176 6 6=17÷6=2
;
=64÷15=4
;
5
=
=
;
2
=
=
.
5 5 56 6 6;
=64÷15=4
;
5
=
=
;
2
=
=
.
64 64 6415 15 15=64÷15=4
;
5
=
=
;
2
=
=
. ÷15=4
4 4 415 15 15;
5
=
=
;
2
=
=
. 5
6 6 67 7 7=
=
;
2
=
=
.
5×7+6 5×7+6 5×7+67 7 7=
;
2
=
=
.
41 41 416 6 6;
2
=
=
. 2
5 5 512 12 12=
=
.
12×2+5 12×2+5 12×2+512 12 12=
.
29 29 2912 12 12.
9 |
25 |
11 |
40 |
0.28=
28 |
100 |
7 |
25 |
0.035=
35 |
1000 |
7 |
200 |
(2)
17 |
6 |
5 |
6 |
64 |
15 |
4 |
15 |
5
6 |
7 |
5×7+6 |
7 |
41 |
6 |
2
5 |
12 |
12×2+5 |
12 |
29 |
12 |
9 |
25 |
11 |
40 |
0.28=
28 |
100 |
7 |
25 |
0.035=
35 |
1000 |
7 |
200 |
(2)
17 |
6 |
5 |
6 |
64 |
15 |
4 |
15 |
5
6 |
7 |
5×7+6 |
7 |
41 |
6 |
2
5 |
12 |
12×2+5 |
12 |
29 |
12 |
11 |
40 |
0.28=
28 |
100 |
7 |
25 |
0.035=
35 |
1000 |
7 |
200 |
(2)
17 |
6 |
5 |
6 |
64 |
15 |
4 |
15 |
5
6 |
7 |
5×7+6 |
7 |
41 |
6 |
2
5 |
12 |
12×2+5 |
12 |
29 |
12 |
28 |
100 |
7 |
25 |
0.035=
35 |
1000 |
7 |
200 |
(2)
17 |
6 |
5 |
6 |
64 |
15 |
4 |
15 |
5
6 |
7 |
5×7+6 |
7 |
41 |
6 |
2
5 |
12 |
12×2+5 |
12 |
29 |
12 |
7 |
25 |
0.035=
35 |
1000 |
7 |
200 |
(2)
17 |
6 |
5 |
6 |
64 |
15 |
4 |
15 |
5
6 |
7 |
5×7+6 |
7 |
41 |
6 |
2
5 |
12 |
12×2+5 |
12 |
29 |
12 |
35 |
1000 |
7 |
200 |
(2)
17 |
6 |
5 |
6 |
64 |
15 |
4 |
15 |
5
6 |
7 |
5×7+6 |
7 |
41 |
6 |
2
5 |
12 |
12×2+5 |
12 |
29 |
12 |
7 |
200 |
(2)
17 |
6 |
5 |
6 |
64 |
15 |
4 |
15 |
5
6 |
7 |
5×7+6 |
7 |
41 |
6 |
2
5 |
12 |
12×2+5 |
12 |
29 |
12 |
17 |
6 |
5 |
6 |
64 |
15 |
4 |
15 |
5
6 |
7 |
5×7+6 |
7 |
41 |
6 |
2
5 |
12 |
12×2+5 |
12 |
29 |
12 |
5 |
6 |
64 |
15 |
4 |
15 |
5
6 |
7 |
5×7+6 |
7 |
41 |
6 |
2
5 |
12 |
12×2+5 |
12 |
29 |
12 |
64 |
15 |
4 |
15 |
5
6 |
7 |
5×7+6 |
7 |
41 |
6 |
2
5 |
12 |
12×2+5 |
12 |
29 |
12 |
4 |
15 |
5
6 |
7 |
5×7+6 |
7 |
41 |
6 |
2
5 |
12 |
12×2+5 |
12 |
29 |
12 |
6 |
7 |
5×7+6 |
7 |
41 |
6 |
2
5 |
12 |
12×2+5 |
12 |
29 |
12 |
5×7+6 |
7 |
41 |
6 |
2
5 |
12 |
12×2+5 |
12 |
29 |
12 |
41 |
6 |
2
5 |
12 |
12×2+5 |
12 |
29 |
12 |
5 |
12 |
12×2+5 |
12 |
29 |
12 |
12×2+5 |
12 |
29 |
12 |
29 |
12 |
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