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直接写得数.1.5时:45分=1.5×0.6=15-549=0.9×99+0.9=2÷0.25+1.1=312:213=15-17=2.5×3.5×0.4=471-299=49÷38=

题目详情
直接写得数.
1.5时:45分=1.5×0.6=15-5
4
9
=
0.9×99+0.9=2÷0.25+1.1=
3
1
2
2
1
3
=
1
5
-
1
7
=
2.5×3.5×0.4=471-299=
4
9
÷
3
8
=
直接写得数.
1.5时:45分=1.5×0.6=15-5
4
9
=
0.9×99+0.9=2÷0.25+1.1=
3
1
2
2
1
3
=
1
5
-
1
7
=
2.5×3.5×0.4=471-299=
4
9
÷
3
8
=

1.5时:45分=1.5×0.6=15-5
4
9
=
0.9×99+0.9=2÷0.25+1.1=
3
1
2
2
1
3
=
1
5
-
1
7
=
2.5×3.5×0.4=471-299=
4
9
÷
3
8
=
1.5时:45分=1.5×0.6=15-5
4
9
=
0.9×99+0.9=2÷0.25+1.1=3
1
2
2
1
3
=
1
5
-
1
7
=
2.5×3.5×0.4=471-299=
4
9
÷
3
8
=
1.5时:45分=1.5×0.6=15-5
4
9
=
0.9×99+0.9=2÷0.25+1.1=1.5时:45分=1.5×0.6=15-5
4
9
=
4
9
=
4
9
4944990.9×99+0.9=2÷0.25+1.1=3
1
2
2
1
3
=
1
5
-
1
7
=
2.5×3.5×0.4=471-299=
4
9
÷
3
8
=
3
1
2
2
1
3
=
3
1
2
2
1
3
=
1
2
1211222
1
3
=
1
3
131133
1
5
-
1
7
=
1
5
-
1
7
=
1
5
151155
1
7
=
1
7
1711772.5×3.5×0.4=471-299=
4
9
÷
3
8
=
4
9
÷
3
8
=
4
9
494499
3
8
=
3
8
383388
▼优质解答
答案和解析
1.5时:45分=
32
27
1.5×0.6=0.915-5
4
9
=9
5
9
   
0.9×99+0.9=902÷0.25+1.1=9.1
3
1
2
2
1
3
=
3
2
 
1
5
-
1
7
=
2
35
2.5×3.5×0.4=3.5471-299=172
4
9
÷
3
8
=
32
27
1.5时:45分=
32
27
1.5×0.6=0.915-5
4
9
=9
5
9
   
0.9×99+0.9=902÷0.25+1.1=9.13
1
2
2
1
3
=
3
2
 
1
5
-
1
7
=
2
35
2.5×3.5×0.4=3.5471-299=172
4
9
÷
3
8
=
32
27
1.5时:45分=
32
27
1.5×0.6=0.915-5
4
9
=9
5
9
   
0.9×99+0.9=902÷0.25+1.1=9.11.5时:45分=
32
27
1.5时:45分=
32
27
32
27
32273232322727271.5×0.6=0.91.5×0.6=0.915-5
4
9
=9
5
9
   
15-5
4
9
=9
5
9
   
4
9
49444999=9
5
9
   
5
9
59555999   0.9×99+0.9=900.9×99+0.9=902÷0.25+1.1=9.12÷0.25+1.1=9.13
1
2
2
1
3
=
3
2
 
1
5
-
1
7
=
2
35
2.5×3.5×0.4=3.5471-299=172
4
9
÷
3
8
=
32
27
3
1
2
2
1
3
=
3
2
 
3
1
2
2
1
3
=
3
2
 
3
1
2
12111222:2
1
3
=
3
2
 
2
1
3
13111333=
3
2
 
3
2
32333222 
1
5
-
1
7
=
2
35
1
5
-
1
7
=
2
35
1
5
15111555-
1
7
=
2
35
1
7
17111777=
2
35
2
35
2352223535352.5×3.5×0.4=3.52.5×3.5×0.4=3.5471-299=172471-299=172
4
9
÷
3
8
=
32
27
4
9
÷
3
8
=
32
27
4
9
49444999÷
3
8
=
32
27
3
8
38333888=
32
27
32
27
3227323232272727