题目内容

看谁算的对.
5
8
÷
16
7
÷
14
11
3
8
×
5
6
×
24
35
19
26
÷
38
55
×
5
11
12÷
3
5
×
3
25
15
9
-
4
7
÷
5
14
5
8
×
4
3
+
5
8
÷
3
4
分析:(1)运用除法性质解答,
(2)(3)(4)按照从左到右顺序计算即可解答,
(5)按照先算除法,再算减法顺序解答,
(6)运用乘法分配律解答.
解答:解:(1)
5
8
÷
16
7
÷
14
11

=
5
8
÷(
16
7
×
14
11

=
5
8
÷
32
11

=
55
256


(2)
3
8
×
5
6
×
24
35

=
15
48
×
24
35

=
3
14


(3)
19
26
÷
38
55
×
5
11

=
55
52
×
5
11

=
25
52


(4)12÷
3
5
×
3
25

=20×
3
25

=
12
5


(5)
15
9
-
4
7
÷
5
14

=
15
9
-
8
5

=
1
15


(6)
5
8
×
4
3
+
5
8
÷
3
4

=
5
8
×(
4
3
+
4
3

=
5
8
×
8
3

=1
2
3
点评:(1)运用简便方法解决问题,(2)依据四则运算计算方法正确进行计算,是本题考查知识点.
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