问题 解答题
计算下列各题,能简算的要简算.
(1-
14
15
)×
4
9
÷
5
18
30×(
1
15
+
4
5
+
1
3
1
4
×
3
5
+
2
5
÷4
3
16
÷0.375×
4
5
答案

(1)(1-

14
15
)×
4
9
÷
5
18

=

1
15
×
4
9
÷
5
18

=

1
15
×
4
9
×
18
5

=

1
15
×(
4
9
×
18
5
),

=

1
15
×
8
5

=

8
75

(2)30×(

1
15
+
4
5
+
1
3
),

=30×

1
15
+30×
4
5
+30×
1
3

=2+24+10,

=36;

(3)

1
4
×
3
5
+
2
5
÷4,

=

1
4
×
3
5
+
2
5
×
1
4

=

1
4
×(
3
5
+
2
5
),

=

1
4
×1,

=

1
4

(4)

3
16
÷0.375×
4
5

=

3
16
×
8
3
×
4
5

=

1
2
×
4
5

=

2
5

单项选择题
填空题