问题 解答题
下面各题怎样简便就怎样算.
(1)96×
7
95
(2)
3
4
÷(3-
9
17
-
8
17
)
(3)
3
16
÷
9
10
×
4
5
(4)
5
6
÷
3
4
-
2
9
×
3
4
(5)(
2
3
-
1
2
+
1
6
)×24
(6)(3-0.2)÷
7
15
答案

(1)96×

7
95

=(95+1)×

7
95

=95×

7
95
+1×
7
95

=7+

7
95

=7

7
95

(2)

3
4
÷(3-
9
17
-
8
17
),

=

3
4
÷[3-(
9
17
+
8
17
)],

=

3
4
÷(3-1),

=

3
4
÷2,

=

3
4
×
1
2

=

3
8

(3)

3
16
÷
9
10
×
4
5

=

3
16
×
10
9
×
4
5

=

1
6

(4)

5
6
÷
3
4
-
2
9
×
3
4

=

5
6
×
4
3
-
2
9
×
3
4

=

10
9
-
1
6

=

17
18

(5)(

2
3
-
1
2
+
1
6
)×24,

=

2
3
×24-
1
2
×24+
1
6
×24,

=16-12+4,

=8;

(6)(3-0.2)÷

7
15

=2.8÷

7
15

=2.8×

15
7

=6.

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