问题 解答题
计算下面各题.(能简算的要简算)
10-
2
3
×
9
10
1
9
+
1
6
)×
8
25
5
9
×
6
25
×
3
8
1
4
+
1
8
)×24
7
5
×
6
5
×
11
2
×
10
11
5
7
+
2
7
×2
14
5
×
3
2
+
14
5
×
7
2
16×
2
3
×(9×
1
2
答案

(1)10-

2
3
×
9
10

=10-

3
5

=9

2
5

(2)(

1
9
+
1
6
)×
8
25

=

5
18
×
8
25

=

4
45

(3)

5
9
×
6
25
×
3
8
=
1
20

(4)(

1
4
+
1
8
)×24,

=

1
4
×24+
1
8
×24,

=6+3,

=9;

(5)
7
5
×
6
5
×
11
2
×
10
11
=8
2
5
(6)5×
5
7
+
2
7
×2,

=

25
7
+
4
7

=4

1
7

(7)

14
5
×
3
2
+
14
5
×
7
2

=

14
5
×(
3
2
+
7
2
),

=

14
5
×5,

=14;

(8)16×

2
3
×(9×
1
2
),

=16×

2
3
×9×
1
2

=48.

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