问题 解答题
你想怎么算就怎么算
(1)
7
41
×
1
31
+
34
41
÷31;                 
(2)
1
5
÷[(
1
12
+
1
6
)×
1
3
];
(3)
1
6
÷
11
24
-
3
8
×
4
11
;               
(4)
1
5
×37%+
4
5
×37%.
答案

(1)

7
41
×
1
31
+
34
41
÷31

=

7
41
×
1
31
+
34
41
×
1
31

=(

7
41
+
34
41
)×
1
31

=1×

1
31

=

1
31

(2)

1
5
÷[(
1
12
+
1
6
)×
1
3
]

=

1
5
÷[
3
12
×
1
3
],

=

1
5
×12,

=

12
5

(3)

1
6
÷
11
24
-
3
8
×
4
11

=

1
6
×
24
11
-
3
8
×
4
11

=

4
11
-
3
22

=

5
22

(4)

1
5
×37%+
4
5
×37%

=(

1
5
+
4
5
)×37%,

=1×37%,

=37%.

解答题
判断题