问题 解答题
计算下面各题,能简算的必须简算.
4
9
-
4
9
1
4
×35+65÷4
1
6
+
1
5
)×6×5
3
4
÷
9
10
-
5
14
×
7
15
8
3
-0.6
3
4
×
5
6
+
3
4
×
1
6
答案

(1)5×

4
9
-
4
9

=

20
9
-
4
9

=

16
9

(2)

1
4
×35+65÷4

=

1
4
×35+65×
1
4

=

1
4
×(35+65)

=

1
4
×100

=25;

(3)(

1
6
+
1
5
)×6×5

=

1
6
×6×5+
1
5
×6×5

=5+6

=11;

(4)

3
4
÷
9
10
-
5
14
×
7
15

=

5
6
+
1
6

=1;

(5)4÷

8
3
-0.6

=1.5-0.6

=0.9;

(6)

3
4
×
5
6
+
3
4
×
1
6

=

3
4
×(
5
6
+
1
6

=

3
4
×1

=

3
4

问答题 简答题
多项选择题