问题 解答题
3.875×
1
5
+38
3
4
×0.09-0.155÷0.4
2
1
6
+[(4.32-1.68-1
8
25
5
11
-
2
7
]÷1
9
35
+1
11
24
答案

3.875×
1
5
+38
3
4
×0.09-0.155÷0.4
2
1
6
+[(4.32-1.68-1
8
25
5
11
-
2
7
]÷1
9
35
+1
11
24

=

3.875×0.2+38.75×0.09-0.3875
2
1
6
+[(4
8
25
-1
17
24
-1
8
25
5
11
-
2
7
]÷1
9
35
+1
11
24

=

3.875×0.2+3.875×0.9-3.875×0.1
2
1
6
+[
108-42-33
25
×
5
11
-
2
7
]÷1
9
35
+1
11
24

=

3.875×(0.2+0.9-0.1)
2
1
6
+[
33
25
×
5
11
-
2
7
]÷1
9
35
+1
11
24

=

3.875×1
2
1
6
+[
3
5
-
2
7
44
35
+1
11
24

=

3.875
2
1
6
+
11
35
×
35
44
+1
11
24

=

3.875
13
6
+
1
4
+
35
24

=

31
8
52
24
+
6
24
+
35
24

=

31
8
93
24

=

31
8
×
24
93

=1

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