问题 解答题
请你用自己喜欢的方法计算
5
6
×
1
15
÷
7
18
24×(
3
8
+
1
6
)
26
27
×28
1
3
÷5+
2
3
×
1
5
5
8
×4÷
5
8
×4
答案

(1)

5
6
×
1
15
÷
1
18

=

5
6
×
1
15
×18,

=1;

(2)24×(

3
8
+
1
6
),

=24×

3
8
+24×
1
6

=9+4,

=13;

(3)

26
27
×28,

=

26
27
×(27+1),

=

26
27
×27+
26
27

=26

26
27

(4)

1
3
÷5+
2
3
×
1
5

=

1
3
×
1
5
+
2
3
×
1
5

=(

1
3
+
2
3
)×
1
5

=1×

1
5

=

1
5

(5)

4
8
×4÷
5
8
×4,

=

4
8
×4×
8
5
×4,

=

64
5

单项选择题
单项选择题